Swimming pool - Knowledge (XXG)

1673: 1547: 1286: 801: 1277: 769: 212: 881: 701: 83: 987: 4224: 809: 367: 931: 1450: 920: 3997: 1385: 667:(USA-S) swims in both metric and non-metric pools. However, the international standard is metres, and world records are only recognized when swum in 50 m pools (or 25 m for short course) but 25-yard pools are very common in the US. In general, the shorter the pool, the faster the time for the same distance, since the swimmer gains speed from pushing off the wall after each turn at the end of the pool. 1332:

or devices that disinfect or sterilize water are used, and all the cleaning of the pool is achieved purely with the motion of the water through biological filters and plants rooted hydroponically in the system. In essence, natural pools seek to recreate swimming holes and swimmable lakes, the environment where people feel safe swimming in a non-polluted, healthy, and ecologically balanced body of water.

1038: 430: 1349: 1129: 609: 1320:) is a swimming pool which produces a visual effect of water extending to the horizon, vanishing, or extending to "infinity". Often, the water appears to fall into an ocean, lake, bay, or other similar body of water. The illusion is most effective whenever there is a significant change in elevation, though having a natural body of water on the horizon is not a limiting factor. 1212: 949:(FINA, International Swimming Federation) sets standards for competition pools: 25 or 50 m (82 or 164 ft) long and at least 1.35 m (4.4 ft) deep. Competition pools are generally indoors and heated to enable their use all year round, and to more easily comply with the regulations regarding temperature, lighting, and automatic officiating equipment. 598: 1461: 72: 2951: 785: 1546: 1635: 960:) is a pool that meets FINA's additional standards for the Olympic Games and for world championship events. It must be 50 by 25 m (164 by 82 ft) wide, divided into eight lanes of 2.5 m (8.2 ft) each, plus two areas of 2.5 m (8.2 ft) at each side of the pool. Depth must be at least 2 m (6.6 ft). 684:

5.5 m (10 to 18 ft) in the deep end. A children's play pool may be from 0.3 to 1.2 m (1 to 4 ft) deep. Most public pools have differing depths to accommodate different swimmer requirements. In many jurisdictions, it is a requirement to show the water depth with clearly marked depths affixed to the pool walls.

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were developed in central and western Europe in the early and mid-1980s by designers and landscape architects with environmental concerns. They have recently been growing in popularity as an alternative to traditional swimming pools. Natural pools are constructed bodies of water in which no chemicals

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The depth of a swimming pool depends on the purpose of the pool, and whether it is open to the public or strictly for private use. If it is a private casual, relaxing pool, it may go from 1.0 to 2.0 m (3.3 to 6.6 ft) deep. If it is a public pool designed for diving, it may slope from 3.0 to

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In public swimming pools, dress code may be stricter than on public beaches, and in indoor pools stricter than outdoor pools. For example, in countries where women can be topless on the beach, this is often not allowed in a swimming pool, and a swimsuit must be worn. For men, wearing ordinary shorts

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Swimming pool heating costs can be significantly reduced by using a pool cover. Use of a pool cover also can help reduce the amount of chemicals (chlorine, etc.) required by the pool. Outdoor pools gain heat from the sun, absorbing 75–85% of the solar energy striking the pool surface. Though a cover

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that combines cooler air with the incoming heated water to cool the pool if the temperature rises uncomfortably high. Some spas have a constant stream of bubbles fed via the seating area of the pool, or a footwell area. This is more common as a temperature control device where the heated water comes

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held in place by metal hoops. Immersion of the head is not recommended in spas or hot tubs due to a potential risk of underwater entrapment from the pump suction forces. However, commercial installations in many countries must comply with various safety standards which reduce this risk considerably.

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or early European settlers. Bathing in these pools provided security against both rough surf and sea life. There were often separate pools for women and men, or the pool was open to the sexes at different times with a break for bathers to climb in without fear of observation by the other sex. These

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were built, typically on headlands by enclosing part of the rock shelf, with water circulated through the pools by flooding from tidal tanks or by regular flooding over the side of the pools at high tide. This continued a pre-European tradition of bathing in rockpools with many of the current sites

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July 1844 reported an aquatic breakfast party: coffee and biscuits were served on a floating raft in the river. The coffee was kept hot over a fire; club members had to tread water and drink coffee at the same time. The last swimmers managed to overturn the raft, to the amusement of 150 spectators.

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Diving in shallow areas of a pool may also lead to significant head and neck injuries; diving, especially head-first diving, should be done in the deepest point of the pool, minimally 2.4 m (7 ft 10 in), but desirably 3.7 m (12 ft), deeper if the distance between the water

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In the last two decades, a new style of pool has gained popularity. These consist of a small vessel (usually about 2.5 × 5 m) in which the swimmer swims in place, either against the push of an artificially generated water current or against the pull of restraining devices. These pools have several

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or fitness center, in men's clubs, women's clubs, motels and exclusive five-star hotel suites. Spa clubs may have very large pools, some segmented into increasing temperatures. In Japan, men's clubs with many spas of different size and temperature are common. Commercial spas are generally made of

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pools can be bought in supermarkets and taken down after summer. They are used mostly outdoors in yards, are typically shallow, and often their sides are inflated with air to stay rigid. When finished, the water and air can be let out and this type of pool can be folded up for convenient storage.

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In preparation for freezing temperatures, an in-ground swimming pool's pipes must be emptied. An above-ground pool should also be closed, so that ice does not drag down the pool wall, collapsing its structure. The plumbing is sealed with air, typically with rubber plugs, to prevent cracking from

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Indoor pools are located inside a building with a roof and are insulated by at least three walls. Built for year-round swimming or training, they are found in all climate types. Since the buildings around indoor pools are insulated, heat escapes much less, making it less expensive to heat indoor

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look-alike patterns. They rarely exceed 6 m (65 sq ft) and are typically 1 m (3 ft 3 in) deep, restricted by the availability of the raw sheet sizes (typically manufactured in Japan). There is often a mid-depth seating or lounging system, and contoured lounger style

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requirements for private swimming pools, which require pool areas to be isolated so that unauthorized children younger than six years cannot enter. Many countries require a similar level of protection for the children residing in or visiting the house, although many pool owners prefer the visual

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Wading or paddling pools are shallow bodies of water intended for use by small children, usually in parks. Concrete wading pools come in many shapes, traditionally rectangle, square or circle. Some are filled and drained daily due to lack of a filter system. Staff chlorinate the water to ensure

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Private pools are usually smaller than public pools, on average 3.7 m × 7.3 m (12 ft × 24 ft) to 6.1 m × 12.2 m (20 ft × 40 ft) whereas public pools usually start at 20 m (66 ft). Home pools can be permanently built-in, or be

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made a home pool a desirable status symbol. More than 50 years later, the home or residential swimming pool is a common sight. Some small nations enjoy a thriving swimming pool industry (e.g., New Zealand pop. 4,116,900 – holds the record in pools per capita with 65,000 home swimming pools and

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are removed after the filter has been cleaned. The pool pump motor is taken under cover. Winter chemicals are added to keep the pool clean. The innovation of a composite construction of fiberglass, with an epoxy coating and porcelain ceramic tiles has led to the pre-form, composite-type with

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associated with overly chlorinated water are naturally absent in natural pools. Natural pools, by requiring a water garden to be a part of the system, offer different aesthetic options and can support amphibious wildlife such as snails, frogs, and salamanders, and even small fish if desired.

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In areas which reach freezing temperature, it is important to close a pool properly. This varies greatly between in-ground and above-ground pools. By taking steps to properly secure the pool, it lessens the likelihood that the superstructure will be damaged or compromised by freezing water.

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aspect of the pool in close proximity to their living areas, and will not provide this level of protection. There is no consensus between states or countries on the requirements to fence private swimming pools, and in many places they are not required at all, particularly in rural settings.

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or other leisure activities. Pools can be built into the ground (in-ground pools) or built above ground (as a freestanding construction or as part of a building or other larger structure), and may be found as a feature aboard ocean-liners and cruise ships. In-ground pools are most commonly

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tiled interior. More recently with the innovation of the pre-form composite method where mosaic tiles are bonded to the shell this enables commercial spas to be completely factory manufactured to specification and delivered in one piece. Hot tubs are typically made somewhat like a

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In climates where there is no risk of freezing, closing down the pool for winter is not so important. Typically, the thermal cover is removed and stored. Winter sunlight can create an algae mess when a cover that has been left on all winter is removed. The pool is correctly

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for clothing and other belongings. The lockers can require a coin to be inserted in a slot, either as deposit or payment. There are usually showers – sometimes mandatory – before and/or after swimming. There are often also lifeguards to ensure the safety of users.

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Pools also present a risk of death due to drowning, particularly in young children. In regions where residential pools are common, drowning is a major cause of childhood death. As a precaution, many jurisdictions require that residential pools be enclosed with

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Most pools in the world are measured in metres, but in the United States pools are often measured in feet and yards. In the UK most pools are calibrated in metres, but older pools measured in yards still exist. In the US, pools tend to either be 25 yards

153:, and private clubs have pools used mostly for exercise or recreation. It is common for municipalities of every size to provide pools for public use. Many of these municipal pools are outdoor pools but indoor pools can also be found in buildings such as 1599:

has been used to estimate how much urine is discharged by swimmers into a pool. A Canadian study estimated that swimmers had released 75 litres of urine into a large pool that had about 830,000 litres of water and was a third of the size of an

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decreases the total amount of solar heat absorbed by the pool, the cover eliminates heat loss due to evaporation and reduces heat loss at night through its insulating properties. Most swimming pool heat loss is through evaporation.

161:. Hotels may have pools available for their guests to use at their own leisure. Subdivisions and apartment complexes may also have pools for residents to use. Pools as a feature in hotels are more common in tourist areas or near 1397:

solutions are required to ensure comfortable humidity levels. In addition to drainage and automatic pool covers, there are a number of ways to remove humidity in the air that is present in any wet indoor environment. Efficient

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rather than sunken into a permanent location. Some portable spas are shallow and narrow enough to fit sideways through a standard door and be used inside a room. Low power electric immersion heaters are common with home spas.

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to restrict unauthorized access. Many products exist, such as removable baby fences. The evidence for floating alarms and window/door alarms to reduce the risk of drowning is poor. Some pools are equipped with computer-aided

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flat-screen TV sets and other features that make the pool a recreation center. Due to their family-oriented nature, home spas are normally operated from 36 to 39 °C (97 to 102 °F). Many pools are incorporated in a

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making the pool faster: namely, proper pool depth, elimination of currents, increased lane width, energy absorbing racing lane lines and gutters, and the use of other innovative hydraulic, acoustic and illumination designs.

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Suspended ceilings in indoor swimming pools are safety-relevant components. The selection of materials under tension should be done with care. Especially the selection of unsuitable stainless steels can cause problems with

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were the forerunners of modern "Olympic" pools. A variation was the later development of sea- or harbour-side pools that circulated sea water using pumps. A pool of this type was the training ground for Australian Olympian

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assembled above ground and disassembled after summer. Privately owned outdoor pools in backyards or gardens started to proliferate in the 1950s in regions with warm summer climates, particularly in the United States with

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in San Francisco was the largest heated outdoor swimming pool in the United States. Opened on 23 April 1925, it measured 1,000 by 150 ft (300 by 50 m) and was so large that the lifeguards required

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in modern-day Pakistan was most likely the first swimming pool, dug during the 3rd millennium BC. This pool is 12 by 7 metres (39 by 23 feet), is lined with bricks, and was covered with a tar-based sealant.

1647:, and hooks fitted into the pool surround. The skimmer is closed off or a floating device is placed into it to prevent it from completely freezing and cracking. Floating objects such as life rings or 165:. Educational facilities such as high schools and universities sometimes have pools for physical education classes, recreational activities, leisure, and competitive athletics such as swimming teams. 2243: 314:, especially since would-be rescuers would often drown because they themselves could not swim to safety. The club used to swim in the River Medway, and would hold races, diving competitions and 692:

Pools can be either indoors or outdoors. They can be of any size and shape, and inground or above ground. Most pools are permanent fixtures, while others are temporary, collapsible structures.

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Some colleges, universities, and high schools have buildings that use the term "natatorium" in their names, especially when the building houses more than just a swimming pool, for example a

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They are regarded in the swimming pool industry as "splasher" pools intended for cooling off and amusing toddlers and children, not for swimming, hence the alternate name of "kiddie" pools.

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is an effective bactericide and is commonly included in the circulation system with cartridge filtration, but not with sand media filtration due to clogging problems with turbid body fats.

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source, rather than artificially heated. Water temperature is usually very warm to hot – 38 to 42 °C (100 to 108 °F) – so bathers usually stay in for only 20 to 30 minutes.

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Whirlpool tubs first became popular in the U.S. during the 1960s and 1970s. A spa is also called a "jacuzzi" there, as the word became a generic after-plumbing component manufacturer;

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can be placed in the pool to avoid its freezing under the cover. Sand or DE filters must be backwashed, with the main drain plug removed and all water drained out. Drain plugs on the

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in the indoor pool environment prevents structural damage, lowers energy costs for cooling or heating, and improves the indoor climate to provide a comfortable swimming environment.

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Swimming pools became popular in Britain in the mid-19th century. As early as 1837, six indoor pools with diving boards existed in London, England. The Maidstone Swimming Club in

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or other dedicated water wear as swimming with regular clothes can potentially weigh a swimmer down should they need to be rescued. In France and some other European countries,

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freezing water. The pool is typically covered to prevent leaves and other debris from falling in. The cover is attached to the pool typically using a stretch cord, similar to a

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are available for children and other people to play with in pool water. They are often blown up with air so they are soft but still reasonably rugged, and can float in water.

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pools than outdoor pools (all of whose heat escapes). Architecturally, an indoor pool may look like the rest of the building, but extra heating and ventilation and other

574:(Tibet, China). This resort is located at 4,200 m (13,800 ft) AMSL and has two indoor swimming pools and one outdoor swimming pool, all filled with water from 768: 1106:

Hot tubs and spa pools are common heated pools used for relaxation and sometimes for therapy. Commercial spas are common in the swimming pool area or sauna area of a

2221: 456:. It is 1,013 m (3,323 ft) long and has an area of 8 ha (20 acres). At its deepest, it is 3.5 m (11 ft) deep. It was completed in December 2006. 2908: 2403: 2508: 349:

clubhouse (1907) boasts one of the world's first modern above-ground swimming pools. The first swimming pool to go to sea on an ocean liner was installed on the

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might have persuaded the less hardy of the aquatic brigade to join. So, bathers gradually became swimmers, and bathing pools became swimming pools. In 1939,

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Many upscale hotels and holiday resorts have a swimming pool for use by their guests. If a pool is in a separate building, the building may be called a

2185: 971:(5 metres from each wall), and so on. Pools claimed to be "Olympic pools" do not always meet these regulations, as FINA cannot police use of the term. 2091: 2512: 2921: 1967: 717:

is a smaller, permanently installed swimming pool, with a maximum size of approximately 3 m × 6 m (10 ft × 20 ft).

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Backyards that feature natural pools trade chlorine for plants, don't need to be closed for winter and may feature kois with names like Cutie.

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were found to have higher readings of the marker. While urine itself is relatively harmless, its degradation products may lead to asthma.

251:, for nautical games and for military exercises. Roman emperors had private swimming pools in which fish were also kept, hence one of the 2291: 978:

A pool may be referred to as fast or slow, depending on its physical layout. Some design considerations allow the reduction of swimming

90: 2479: 1244:, which can range from small pools roughly 25 metres long and "Olympic Sized" (50m) to the very large, such as the 50 × 100 m baths in 835:) pool which may be heated or unheated, a shallower children's pool, and a paddling pool for toddlers and infants. There may also be a 1889: 710: 310:

is believed to be the oldest surviving swimming club in Britain. It was formed in 1844, in response to concerns over drownings in the

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Levels of bacteria and viruses in swimming pool water must be kept low to prevent the spread of diseases and pathogens. Bacteria,

2418: 2140: 1806: 294:, Sri Lanka, in the 6th century AD. They were decorated with flights of steps, punkalas or pots of abundance, and scroll design. 4423: 4034: 2012: 1285: 1256:. Despite the development of chlorinated and heated pools, ocean baths remain a popular form of recreation in New South Wales. 858:. The building may sometimes also have facilities for related activities, such as a diving tank. Larger pools sometimes have a 1136:

Home spas are a worldwide retail item in western countries since the 1980s, and are sold in dedicated spa stores, pool shops,

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started in 1896 and included swimming races, after which the popularity of swimming pools began to spread. In the US, the

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was founded in 1869 in England, and the Oxford Swimming Club in 1909. The presence of indoor baths in the cobbled area of

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reclining seats are common. Upmarket spas include various jet nozzles (massage, pulsating, etc.), a drinks tray, lights,

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Water in natural pools has many desirable characteristics. For example, red eyes, dried-out skin and hair, and bleached

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Pool tiles' longer rectangular edges may be parallel to the pool's long sides to help swimmers orient themselves.

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or recreational complex. These centres often have more than one pool, such as an indoor heated pool, an outdoor (

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A two-storey, white concrete swimming pool building composed of horizontal cubic volumes built in 1959 at the

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The width of the pool depends on the number of swimming lanes and the width of each individual lane. In an

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and a T-shirt to go in the water at a beach may be considered acceptable, but pools usually require real

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significant advantages over older methods; however, it also has increased sensitivity to metal staining.

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M. Faller and P. Richner: "Material selection of safety-relevant components in indoor swimming pools",

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25 m or 50 m long, but they can be any size and shape. There are also elaborate pools with

480: 138:, and can be of a custom size and shape or built to a standardized size, the largest of which is the 2623: 1589:. Sanitized swimming pool water can theoretically appear green if a certain amount of iron salts or 963:

The water must be kept at 25–28 °C (77–82 °F) and the lighting level at greater than 1500

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Construction methods for private pools vary greatly. The main types of in-ground pools are gunite

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was re-built on the site between 1995 and 2000; the cathedral had originally been located there.

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A rolled up pool cover, used to reduce water loss from evaporation and heat loss from the pool

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A semi-natural ocean pool exists on the central coast of New South Wales; it is called The

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This type of swimming pool is suspended high above the ground. A prominent example is the

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in 1906. The oldest known public swimming pool in the U.S., Underwood Pool, is located in

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each lane is 2.5 meters wide and contains 10 lanes, thus making the pool 25 meters wide.

517:, Italy, previously held the record, 42.15 m (138.3 ft), from 2014 until 2021. 374:, the oldest swimming hall in Finland, photographed on its opening day on 4 June 1928 in 2784: 2569: 1911: 1140:, the Internet, and catalog sales books. They are almost always made from heat-extruded 275:, likely sometime between 38 and 8 BC. Gaius Maecenas was a wealthy imperial advisor to 4486: 4413: 4397: 4178: 4173: 4118: 4068: 4020: 4001: 3859: 3719: 3540: 3408: 3356: 3322: 3310: 3305: 3176: 3171: 1652: 1501: 1449: 1406: 979: 930: 919: 820: 268: 260: 240: 182: 158: 150: 126: 2723:"Suspended 115 Feet in the Air, the World's First Floating Pool Is Unveiled in London" 4519: 4481: 4428: 4364: 4248: 3729: 3586: 3498: 3469: 3141: 3103: 3057: 2969: 2747: 2722: 1875: 1734: 1525: 1464:

An astronaut prepares to descend into a swimming pool as part of a training exercise.

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problems (e.g., people with a physical disability) where gradual entry is useful.

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techniques. They have also been used for specialist tasks such as teaching water-

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dissipates at a high temperature, thereby heightening its strong chemical smell.

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or simulated wood surround, and are termed "portable" as they may be placed on a

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introduced the "spa whirlpool" in 1968. Air bubbles may be introduced into the

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are mounted on both walls for long course meets and each end for short course.

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Mott, TF; Latimer, KM (1 April 2016). "Prevention and Treatment of Drowning".

2823: 1867: 1791: 1709: 1693: 1505: 1477: 1473: 1418: 1410: 1373: 1260: 874: 855: 732: 575: 571: 315: 154: 135: 2924:. Visit Reykjavík – The official tourist website of Reykjavik. Archived from 2708:"Natatorium | Etymology, origin and meaning of natatorium by etymonline" 2707: 2458: 540:), providing a water area of 33,500 square metres (361,000 sq ft). 4438: 4379: 4359: 4354: 4311: 4288: 4193: 4143: 4138: 4012: 3789: 3734: 3672: 3576: 3478: 3388: 3331: 3270: 3243: 3202: 3074: 2763:

Jmaiff Blackstock, Lindsay K.; Wang, Wei; Vemula, Sai; Jaeger, Benjamin T.;

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can breed in the pool if water is not properly sanitized. Pumps, mechanical

1521: 1517: 1299: 1211: 866: 744:"Children's pool" redirects here. For the beach in La Jolla, San Diego, see 721: 613: 560: 551:

remained uncompleted. The foundations of the palace were converted into the

460: 303: 248: 194: 190: 98: 2879: 1688:, which may be significant for swimmers who are inexperienced, suffer from 597: 533: 505:

as the world's deepest swimming pool reaching 60 metres (200 ft). The

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long course swimming pool standard, used at the World Championships and

479:, United States, and the largest indoor pool in North America is at the 4463: 3803: 3793: 3784: 3779: 3611: 3596: 3555: 3545: 3383: 3341: 3265: 3197: 3166: 3148: 3120: 3052: 1993: 1890:"Gaius Maecenas, or Gaius Cilnius Maecenas (Roman diplomat and patron)" 1753: 1689: 1605: 1582: 1456:

training pool for rescuing people on board aircraft in case of ditching

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conduct short course (25 yards) competition. There are also many pools

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One of the largest swimming pools ever built was reputedly created in

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and the publicity given to swimming sports by Hollywood films such as

4321: 4303: 4047: 3926: 3798: 3483: 3459: 3432: 3393: 3327: 3285: 3248: 3238: 3161: 3154: 3110: 3037: 2269: 2164:"See the progress on the American Dream water park, now taking shape" 1175: 1149: 1112: 889: 601: 544: 537: 375: 335: 2419:"McKinney, Texas, and the Racial History of American Swimming Pools" 1098: 967:. There are also regulations for color of lane rope, positioning of 877:, wave machines, varying depths of water, bridges, and island bars. 2266:"San Francisco Zoological Society – About the Zoo – Historic Sites" 1696:

are employed at most pools to execute water rescues and administer

4341: 3869: 3837: 3827: 3807: 3682: 3616: 3373: 3300: 3295: 3079: 2996: 2222:"Explore the world's deepest diving pool that holds a sunken city" 1671: 1633: 1559: 1555: 1545: 1459: 1448: 1383: 1347: 1210: 1200: 1163: 1127: 1097: 985: 918: 879: 836: 807: 799: 699: 607: 596: 526: 514: 453: 428: 365: 252: 210: 81: 70: 4504: 4078: 4055: 4043: 3977: 3962: 3921: 3874: 3842: 3817: 3812: 3759: 3280: 3260: 2992: 1520:

training. Round-cornered, irregular swimming pools, such as the

1422: 946: 935: 644: 506: 488: 307: 272: 4016: 2965: 2509:"FR 3 swimming pools for Olympic Games and world championships" 2546: 1154: 1031: 964: 844: 759: 170: 2198: 1854:

Wiseman, T.P. (20 September 2016). "Maecenas and the Stage".

338:

created its first major public indoor pool at Temple Cowley.

173:

are pools filled with water that is heated and then used for

2113:. National Geographic Magazine blog central. Archived from 1661: 1302:, viewed from the poolside (left) and near the edge (right) 436:, at one time the largest swimming pool in the world (1980) 2669:"Get Inspired: Swimming Pools: Types, Designs, and Styles" 1931:

by Lanka Pradeepa, 3 November 2020, retrieved 8 July 2022.

1717:

or other forms of electronic safety and security systems.

1692:, or are susceptible to a heart or respiratory condition. 1566:, and disinfectants are often used to sanitise the water. 1516:

survival techniques for aircraft and submarine crews and

1248:. While most are free, a number charge fees, such as the 529:

for patrol. It was closed in 1971 due to low patronage.

532:

In Europe, the largest swimming pool opened in 1934 in

42: 2244:"Dive into the world's deepest swimming pool at 130ft" 181:. Specially designed swimming pools are also used for 1195:

are often recommended as sanitizers for spas because

2694:"The American Heritage Dictionary entry: Natatorium" 1421:"place for swimming" into English in New England in 1223:

In the early 20th century, especially in Australia,

247:

built artificial pools for athletic training in the

4406: 4378: 4340: 4302: 4231: 4054: 3935: 3748: 3665: 3512: 3355: 3185: 3129: 3003: 1748:are usually not allowed for "hygienic" reasons. In 2748:The theory of colors of water in the swimming pool 2622: 2592: 125:, is a structure designed to hold water to enable 2036:. Charleston, SC: Arcadia Publishing. p. 8. 279:and considered one of the first patrons of arts. 2030:Belmont Historical Society; et al. (2000). 1468:Swimming pools are also used for events such as 385:Interest in competitive swimming grew following 570:The highest swimming pool is believed to be in 2773:Environmental Science & Technology Letters 1524:, were drained of water and used for vertical 1014:. They are all examples of different modes of 501:, located in Dubai, UAE, was certified by the 259:. The first heated swimming pool was built by 134:, natural stone, metal, plastic, composite or 4028: 2977: 1240:There are currently about 100 ocean baths in 8: 2379:"How Big Is an Olympic-Sized Swimming Pool?" 2349:. China Intercontinental Press. p. 28. 2199:"Deep Dive Dubai - The world's deepest pool" 884:Children's pool at the SaiGaau Swimming Pool 555:open-air swimming pool after the process of 444:, the largest swimming pool in the world is 2758: 2756: 2402:: CS1 maint: numeric names: authors list ( 1812:Uniform Swimming Pool, Spa and Hot Tub Code 1066:. Unsourced material may be challenged and 604:Lagoon, a public swimming pool in Australia 26: 4035: 4021: 4013: 2984: 2970: 2962: 2594:"From Europe, a No-Chlorine Backyard Pool" 1802:Respiratory risks of indoor swimming pools 471:shopping and entertainment complex at the 2792: 2294:(in Polish). MOSiR Elbląg. Archived from 1970:. Maidstone Swimming Club. Archived from 1086:Learn how and when to remove this message 728:-lined, and one-piece fiberglass shells. 2513:Federation Internationale de la Natation 2139:. Guinness World Records. Archived from 1700:as needed in order to reduce this risk. 947:Fédération Internationale de la Natation 929: 819:Public pools are often part of a larger 32:This is an accepted version of this page 2769:"Sweetened Swimming Pools and Hot Tubs" 2624:"Come On Over, I Just Installed a Pond" 2268:. The San Francisco Zoo. Archived from 1828: 1120:with straight sides, from wood such as 764: 28: 2646: 2503: 2501: 2395: 2162:Katzban, Nicholas (12 November 2018). 2111:"Big Dipper: The World's Largest Pool" 790:Children playing in an inflatable pool 589: 207:History of water supply and sanitation 2909:ask for a copy of the English version 862:affixed at one edge above the water. 7: 1856:Papers of the British School at Rome 1064:adding citations to reliable sources 635:-short course metres) or 50 metres ( 413:Canadian Register of Historic Places 2560:"Stories from the Yamba ocean pool" 1912:"WWW Virtual Library: ANURADHAPURA" 1441:, the world's first floating pool. 1183:from a natural (uncontrolled heat) 130:constructed from materials such as 91:Melbourne Sports and Aquatic Centre 59:Artificial water basin for swimming 2750:" (PDF) by Sahatchai Wanawongsawad 2721:Cherner, Jessica (30 April 2021). 2377:Swimming 101 (13 September 2022). 2220:Kaddoura, Mohamad (21 July 2021). 1992:The City of Oxford Swimming Club, 1630:Closing vinyl and fibreglass pools 1228:being expanded from sites used by 913:Swimming (sport)#Competition pools 804:A spa at Hotel Fra Mare in Estonia 57: 2568:. 1 December 2005. Archived from 2543:Zesiger sports and fitness center 189:, as well as for the training of 4222: 3996: 3995: 2949: 1807:Swimming pool service technician 1569:Chemical disinfectants, such as 1284: 1275: 1036: 783: 767: 2591:Kurutz, Steven (5 April 2007). 2447:"Don't Call It a Swimming Pool" 2417:Applebaum, Yoni (8 June 2015). 2137:"World's Largest Swimming Pool" 2092:"HistoricPlaces.ca – Recherche" 908: 865:Many public swimming pools are 731:Many countries now have strict 2898:only online in German (3.6 MB) 2802:Hannah Devlin (1 March 2017). 2346:Travel guide to Tibet of China 2292:"Kąpielisko miejskie – Elbląg" 1894:Britannica Online Encyclopedia 888:Some swimming facilities have 503:Guinness Book of World Records 485:Sonny Carter Training Facility 425:List of largest swimming pools 286:built a pair of pools called " 64:Swimming pool (disambiguation) 1: 2445:Picard, Lia (2 August 2022). 1942:"Lidos: Links and References" 897:health and safety standards. 704:An above-ground swimming pool 559:. However, after the fall of 934:A simplified diagram of the 565:Christ the Saviour Cathedral 409:Royal Roads Military College 347:Racquet Club of Philadelphia 328:Amateur Swimming Association 2794:10.1021/acs.estlett.7b00043 2621:Picard, Lia (25 May 2024). 2549:. Retrieved 4 February 2007 2186:Behind the Scenes: Training 1132:A boy relaxing in a hot tub 643:). US high schools and the 477:East Rutherford, New Jersey 4559: 2653:: CS1 maint: url-status ( 1837:"Great Bath, Mohenjo-daro" 1732: 1593:are present in the water. 1535: 1454:Singapore Aviation Academy 1025: 954:Olympic-size swimming pool 743: 473:Meadowlands Sports Complex 422: 204: 140:Olympic-size swimming pool 87:Olympic-size swimming pool 61: 4220: 3991: 2868:American Family Physician 2318:"DESTRUCTION (1931–1990)" 2065:"Yrjönkatu Swimming Hall" 1868:10.1017/S0068246216000040 1723:stress corrosion cracking 1370:beach entry swimming pool 1344:Zero-entry swimming pools 1298:SkyPark Infinity Pool in 4214:Waste stabilization pond 3705:Multi-family residential 2896:54 (2003) pp. 331–338. ( 2480:"Pool Safety Guidelines" 2224:. Guinness World Records 2081:NZ Census, 7 March 2006. 1704:and the board is great. 1538:Swimming pool sanitation 1500:as well as for teaching 1366:zero-entry swimming pool 1352:Zero-depth entry at the 778:bathing in a kiddie pool 39:latest accepted revision 2894:Materials and Corrosion 1587:disinfection byproducts 1429:Suspended swimming pool 1409:well or facilities for 1324:Natural pools and ponds 925:University of Minnesota 372:Yrjönkatu Swimming Hall 298:19th and 20th centuries 215:Ancient Roman baths in 95:2006 Commonwealth Games 89:and starting blocks at 2188:. Retrieved 7 May 2007 1767:Automated pool cleaner 1681: 1639: 1551: 1550:Automated pool cleaner 1542:Swimming pool bacteria 1465: 1457: 1389: 1361: 1230:Aboriginal Australians 1220: 1133: 1103: 1022:Hot tubs and spa pools 991: 942: 927: 885: 816: 805: 751:Inexpensive temporary 705: 616: 605: 442:Guinness World Records 437: 400:Million Dollar Mermaid 382: 361:Belmont, Massachusetts 320:The South East Gazette 220: 102: 79: 4541:Sports venues by type 4169:Salt evaporation pond 2903:27 March 2016 at the 2254:on 23 September 2014. 1787:Neutral buoyancy pool 1733:Further information: 1684:Pools pose a risk of 1675: 1637: 1549: 1470:synchronized swimming 1463: 1452: 1387: 1351: 1214: 1131: 1101: 1026:Further information: 989: 933: 922: 883: 871:artificial waterfalls 811: 803: 746:Children's Pool Beach 739: 703: 675:Olympic swimming pool 611: 600: 511:Hotel Terme Millepini 509:swimming pool at the 465:DreamWorks Water Park 432: 423:Further information: 369: 255:words for a pool was 214: 85: 74: 4424:Big fish–little pond 4393:Freshwater ecosystem 4327:Puddles on a surface 2958:at Wikimedia Commons 2847:on 24 September 2011 2727:Architectural Digest 2486:on 25 September 2011 2098:on 24 February 2009. 1999:23 June 2018 at the 1968:"Historical Titbits" 1916:www.lankalibrary.com 1597:Acesulfame potassium 1579:calcium hypochlorite 1388:Indoor swimming pool 1358:Naperville, Illinois 1219:in Sydney, Australia 1060:improve this section 481:Neutral Buoyancy Lab 404:125,000 spa pools). 290:" in the kingdom of 185:, water sports, and 62:For other uses, see 4434:Constructed wetland 3151: / Guest room 2841:"Closing Your Pool" 2785:2017EnSTL...4..149J 2539:Zesiger pool design 2519:on 10 December 2015 1948:on 23 February 2015 1900:on 13 October 2007. 1817:Urine-indicator dye 1782:List of water games 1715:drowning prevention 1318:vanishing edge pool 1250:Bondi Icebergs Club 1148:, often colored in 1122:Californian redwood 1016:resistance swimming 956:(first used at the 923:Racing pool at the 631:yards), 25 metres ( 463:in the world is at 459:The largest indoor 446:San Alfonso del Mar 29:Page version status 4317:Coffee ring effect 4124:Infiltration basin 4104:Facultative lagoon 3627:Servants' quarters 2928:on 1 December 2010 2630:The New York Times 2600:The New York Times 2451:The New York Times 2143:on 13 January 2008 2117:on 15 January 2011 1974:on 25 January 2012 1682: 1640: 1552: 1466: 1458: 1417:was borrowed from 1390: 1362: 1221: 1193:mineral sanitizers 1134: 1104: 992: 943: 928: 886: 817: 806: 776:Labrador Retriever 753:polyvinyl chloride 706: 641:long course meters 617: 606: 438: 383: 221: 163:convention centers 103: 80: 35: 4513: 4512: 4454:Pond of Abundance 4388:Aquatic ecosystem 4010: 4009: 3428:Janitorial closet 3162:Bedsit / Miniflat 2954:Media related to 2746:sahatchaiw.com. " 2356:978-7-5085-0374-5 2272:on 9 January 2012 2201:. Deep Dive Dubai 2166:. NorthJersey.com 2043:978-0-7385-0466-7 2013:"TGOL – Adriatic" 1486:underwater hockey 1482:underwater sports 1215:An ocean pool at 1178:via an air-bleed 1138:department stores 1111:concrete, with a 1096: 1095: 1088: 1007:swimming machines 901:Competition pools 815:, in South London 590:Competition pools 549:Palace of Soviets 522:Fleishhacker Pool 448:Seawater pool in 440:According to the 232:" at the site of 16:(Redirected from 4548: 4226: 4099:Evaporation pond 4037: 4030: 4023: 4014: 3999: 3998: 3968:Home improvement 3740:Studio apartment 3532:Kitchen-related 3208:Conversation pit 2995:and spaces of a 2986: 2979: 2972: 2963: 2953: 2938: 2937: 2935: 2933: 2918: 2912: 2890: 2884: 2883: 2863: 2857: 2856: 2854: 2852: 2843:. 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Archived from 2088: 2082: 2079: 2073: 2072: 2061: 2055: 2054: 2052: 2050: 2027: 2021: 2020: 2019:on 11 June 2015. 2015:. Archived from 2009: 2003: 1990: 1984: 1983: 1981: 1979: 1964: 1958: 1957: 1955: 1953: 1944:. Archived from 1938: 1932: 1926: 1920: 1919: 1908: 1902: 1901: 1896:. Archived from 1886: 1880: 1879: 1851: 1845: 1844: 1833: 1752:, in particular 1750:Nordic countries 1490:underwater rugby 1400:dehumidification 1368:, also called a 1356:aquatic park in 1354:Centennial Beach 1296:Marina Bay Sands 1288: 1279: 1091: 1084: 1080: 1077: 1071: 1040: 1032: 969:backstroke flags 839:and one or more 813:Tooting Bec Lido 787: 771: 740:Children's pools 660: 659: 655: 652: 612:Rooftop pool in 557:de-Stalinisation 187:physical therapy 47:5 September 2024 21: 4558: 4557: 4551: 4550: 4549: 4547: 4546: 4545: 4536:Garden features 4531:Bodies of water 4516: 4515: 4514: 4509: 4402: 4374: 4336: 4298: 4274:Spent fuel pool 4269:Reflecting pool 4239:Anchialine pool 4227: 4218: 4050: 4041: 4011: 4006: 4002:Category: Rooms 3987: 3931: 3752: 3744: 3710:Secondary suite 3661: 3536:butler's pantry 3508: 3451:Mechanical room 3404:Electrical room 3363: 3351: 3181: 3125: 3099:Recreation room 2999: 2990: 2946: 2941: 2931: 2929: 2922:"Thermal Pools" 2920: 2919: 2915: 2905:Wayback Machine 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pool 4247: 4245: 4242: 4240: 4237: 4236: 4234: 4230: 4225: 4215: 4212: 4210: 4207: 4205: 4202: 4200: 4197: 4195: 4192: 4190: 4187: 4185: 4182: 4180: 4179:Settling pond 4177: 4175: 4174:Sediment pond 4172: 4170: 4167: 4165: 4162: 4160: 4157: 4155: 4152: 4150: 4147: 4145: 4142: 4140: 4137: 4135: 4132: 4130: 4127: 4125: 4122: 4120: 4117: 4115: 4112: 4110: 4107: 4105: 4102: 4100: 4097: 4095: 4092: 4090: 4087: 4085: 4082: 4080: 4077: 4075: 4072: 4070: 4067: 4065: 4062: 4061: 4059: 4057: 4053: 4049: 4046:, pools, and 4045: 4038: 4033: 4031: 4026: 4024: 4019: 4018: 4015: 4003: 3994: 3993: 3990: 3984: 3981: 3979: 3976: 3974: 3971: 3969: 3966: 3964: 3961: 3959: 3956: 3954: 3951: 3949: 3946: 3944: 3941: 3940: 3938: 3934: 3928: 3925: 3923: 3920: 3918: 3915: 3913: 3910: 3908: 3905: 3903: 3900: 3896: 3893: 3892: 3891: 3888: 3886: 3883: 3881: 3878: 3876: 3873: 3871: 3868: 3866: 3863: 3861: 3858: 3856: 3853: 3849: 3846: 3845: 3844: 3841: 3839: 3836: 3834: 3831: 3829: 3826: 3824: 3821: 3819: 3816: 3814: 3811: 3809: 3805: 3802: 3800: 3797: 3795: 3791: 3788: 3786: 3783: 3781: 3778: 3776: 3773: 3771: 3768: 3766: 3763: 3761: 3758: 3757: 3755: 3751: 3750:Architectural 3747: 3741: 3738: 3736: 3733: 3731: 3730:Semi-detached 3728: 3726: 3723: 3721: 3718: 3716: 3713: 3711: 3708: 3706: 3703: 3699: 3696: 3694: 3691: 3689: 3686: 3685: 3684: 3681: 3679: 3676: 3674: 3671: 3670: 3668: 3664: 3658: 3655: 3653: 3650: 3648: 3647:Swimming pool 3645: 3643: 3640: 3638: 3635: 3633: 3630: 3628: 3625: 3623: 3620: 3618: 3615: 3613: 3610: 3608: 3605: 3603: 3600: 3598: 3595: 3593: 3590: 3588: 3587:Great chamber 3585: 3583: 3580: 3578: 3575: 3573: 3569: 3566: 3562: 3559: 3557: 3554: 3552: 3549: 3547: 3544: 3542: 3539: 3537: 3534: 3533: 3531: 3529: 3526: 3524: 3521: 3520: 3518: 3515: 3511: 3505: 3502: 3500: 3499:Wiring closet 3497: 3495: 3492: 3490: 3487: 3485: 3482: 3480: 3476: 3473: 3471: 3470:Semi-basement 3468: 3466: 3463: 3461: 3458: 3456: 3452: 3449: 3447: 3443: 3439: 3436: 3434: 3431: 3429: 3426: 3424: 3421: 3419: 3415: 3412: 3410: 3407: 3405: 3402: 3400: 3397: 3395: 3392: 3390: 3387: 3385: 3382: 3380: 3377: 3375: 3372: 3371: 3369: 3367: 3362: 3358: 3354: 3348: 3345: 3343: 3340: 3338: 3335: 3333: 3329: 3326: 3324: 3321: 3319: 3316: 3312: 3309: 3307: 3304: 3303: 3302: 3299: 3297: 3294: 3292: 3289: 3287: 3284: 3282: 3279: 3277: 3274: 3272: 3269: 3267: 3264: 3262: 3259: 3257: 3254: 3250: 3247: 3246: 3245: 3242: 3240: 3236: 3233: 3229: 3226: 3225: 3224: 3221: 3219: 3216: 3214: 3211: 3209: 3206: 3204: 3201: 3199: 3196: 3194: 3191: 3190: 3188: 3184: 3178: 3175: 3173: 3170: 3168: 3165: 3163: 3160: 3156: 3153: 3152: 3150: 3147: 3143: 3140: 3139: 3138: 3135: 3134: 3132: 3130:Private rooms 3128: 3122: 3119: 3117: 3114: 3112: 3109: 3105: 3104:billiard room 3102: 3101: 3100: 3097: 3093: 3090: 3089: 3088: 3085: 3081: 3078: 3077: 3076: 3073: 3071: 3068: 3064: 3061: 3059: 3058:dirty kitchen 3056: 3055: 3054: 3051: 3049: 3046: 3044: 3041: 3039: 3036: 3034: 3031: 3029: 3026: 3024: 3021: 3019: 3016: 3014: 3011: 3010: 3008: 3006: 3002: 2998: 2994: 2987: 2982: 2980: 2975: 2973: 2968: 2967: 2964: 2957: 2952: 2948: 2947: 2943: 2927: 2923: 2917: 2914: 2910: 2906: 2902: 2899: 2895: 2889: 2886: 2881: 2877: 2874:(7): 576–82. 2873: 2869: 2862: 2859: 2846: 2842: 2836: 2833: 2825: 2819: 2816: 2809: 2805: 2800: 2799: 2795: 2790: 2786: 2782: 2778: 2774: 2770: 2766: 2765:Li, Xing-Fang 2759: 2757: 2753: 2749: 2743: 2740: 2728: 2724: 2717: 2714: 2709: 2703: 2700: 2695: 2689: 2686: 2674: 2670: 2664: 2661: 2656: 2650: 2643: 2632: 2631: 2625: 2617: 2614: 2602: 2601: 2595: 2587: 2584: 2571: 2567: 2566: 2561: 2555: 2552: 2548: 2544: 2540: 2534: 2531: 2518: 2514: 2510: 2504: 2502: 2498: 2485: 2481: 2475: 2472: 2460: 2456: 2452: 2448: 2441: 2438: 2426: 2425: 2420: 2413: 2410: 2405: 2399: 2384: 2380: 2373: 2370: 2358: 2352: 2348: 2347: 2339: 2336: 2323: 2319: 2313: 2310: 2297: 2293: 2287: 2284: 2271: 2267: 2261: 2258: 2253: 2249: 2248:The Telegraph 2245: 2239: 2236: 2223: 2216: 2213: 2200: 2194: 2191: 2187: 2181: 2178: 2165: 2158: 2155: 2142: 2138: 2132: 2129: 2116: 2112: 2105: 2102: 2097: 2093: 2087: 2084: 2078: 2075: 2070: 2066: 2060: 2057: 2045: 2039: 2035: 2034: 2026: 2023: 2018: 2014: 2008: 2005: 2002: 1998: 1995: 1989: 1986: 1973: 1969: 1963: 1960: 1947: 1943: 1937: 1934: 1930: 1929:Kuttam Pokuna 1925: 1922: 1917: 1913: 1907: 1904: 1899: 1895: 1891: 1885: 1882: 1877: 1873: 1869: 1865: 1861: 1857: 1850: 1847: 1842: 1838: 1832: 1829: 1823: 1818: 1815: 1813: 1810: 1808: 1805: 1803: 1800: 1798: 1795: 1793: 1790: 1788: 1785: 1783: 1780: 1778: 1775: 1773: 1770: 1768: 1765: 1764: 1759: 1757: 1755: 1751: 1747: 1743: 1736: 1735:Mixed bathing 1728: 1726: 1724: 1718: 1716: 1711: 1705: 1701: 1699: 1695: 1691: 1687: 1680:swimming pool 1679: 1674: 1667: 1665: 1663: 1657: 1654: 1650: 1646: 1636: 1629: 1627: 1621:Winterization 1620: 1618: 1611: 1609: 1607: 1603: 1598: 1594: 1592: 1588: 1584: 1580: 1576: 1572: 1567: 1565: 1561: 1557: 1548: 1543: 1539: 1531: 1529: 1527: 1526:skateboarding 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