345:
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787:, but proper breathing protection may be required for other respiratory hazards. Experienced explorers are very cautious inside active utility tunnels since pipes can spew boiling hot water or steam from leaky valves or pressure relief blow-offs. Often there are puddles of muddy water on the floor, making slips and falls a special concern near hot pipes.
771:. These pipes are generally run through utility tunnels, which are often intended to be accessible solely for the purposes of maintenance. Nevertheless, many of these steam tunnels, especially those on college campuses, have a tradition of exploration by students. This practice was once called "vadding" at the
503:, and one of the largest in Europe. The complex contains tunnels in total length of 3.5 km (2.2 mi), and other large facilities. Nowadays, it is popular for urban exploration, although it is risky due to the possibility of anti-personnel landmines being located in unexplored areas, remnants from 1990s
572:
buildings, which includes gaining access to secured or "member-only" areas, mechanical rooms, roofs, elevator rooms, abandoned floors, and other normally unseen parts of working buildings. The term "infiltration" is often associated with exploring active structures. People entering restricted areas
782:
Some steam tunnels have dirt floors, poor lighting and temperatures above 45 °C (113 °F). Others have concrete floors, bright light, and more moderate temperatures. Most steam tunnels have large intake fans to bring in the fresh air and push the hot air out the back, and these may start
295:) is the exploration of manmade structures, usually abandoned ruins or hidden components of the manmade environment. Photography and historical interest/documentation are heavily featured in the hobby, sometimes involving trespassing onto private property. Urban exploration is also called
844:
starting in 2007. This series roamed around the world, showing little-known underground structures in remote locales and right under the feet of densely packed city-dwellers. Websites for professional and hobby explorers have been developed to share tips and locations.
1005:
A 26-year-old man died in hospital two days after falling off a catwalk at the abandoned
Richard L. Hearn Thermal Generating Station in Toronto. The man entered the building with a friend intending to take "artistic photographs" of the building.
790:
Steam tunnels have generally been secured more heavily in recent years due to their frequent use for carrying communications network backbone cables, increased safety and liability concerns, and perceived risk of use in terrorist activities.
2153:
2010:
1028:
A man was inside a tunnel along the
Mississippi river when it began to rain heavily, and the rain swept him down the tunnel to the river. The man was found in the river and later died in hospital, having drowned.
655:. Draining has a specialized set of guidelines, the foremost of which is "When it rains, no drains!", because the dangers of becoming entrapped, washed away, or killed increase dramatically during heavy rainfall.
1318:
based on the former have urban exploration elements. While some are concerned with keeping certain sites secret from the public at large, mainly to prevent vandalism, several apps dedicated to urban exploration
906:'s website after they raised concerns that the portal could "risk human safety and threaten the security of its infrastructure". Another website belonging to the Bangor Explorers Guild was criticized by the
1257:. Rooftopping differs from skywalking as the latter is mostly about taking panoramic photographs of the scene below, and safety is more important than the thrill. Rooftopping has been especially popular in
2558:
827:(2006), a hallucinatory thriller set in Moscow's underground subways, features urban explorers caught up in extreme situations. Talks and exhibits on urban exploration have appeared at the fifth and sixth
662:. Sometimes they are the only connection to caves or other subterranean features. Sewers are among the most dangerous locations to explore owing to the risk of poisoning by buildups of toxic gas (commonly
928:, writes that genuine urban explorers "never vandalize, steal or damage anything". The thrill comes from "discovery and a few nice pictures". Some explorers also request permission for entry in advance.
2161:
2071:
883:
The activity's growing popularity has resulted in increased attention not just from explorers but also from vandals and law enforcement. The illicit aspects of urban exploring, which may include
714:
is often considered trespassing and can result in civil prosecution due to security concerns. As a result, this type of exploration is rarely publicized. An exception to this is the abandoned
2101:
2041:
510:
Many explorers find the decay of uninhabited space profoundly beautiful, and some are also proficient freelance photographers who document what they see, such as those who document the
2192:
324:
The activity presents various risks, including physical danger, the possibility of arrest and punishment if done illegally and/or without permission, and the risk of encountering
2123:
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has a similar goal as rooftopping and skywalking (to reach the roof), but involves climbing the building from the outside rather than infiltrating from the inside.
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1981:
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Ventures into abandoned structures are perhaps the most common example of urban exploration. Many sites are entered first by locals and may have
2033:
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2184:
772:
454:
2405:
1911:
1938:
365:, while others are better preserved. Although targets of exploration vary from one country to another, high-profile abandonments include
336:, who are unauthorized occupants in abandoned or unmonitored properties, can lead to unpredictable and potentially dangerous situations.
38:
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A 16-year-old boy was walking on the roof of a one-story abandoned building and was killed when the edge of the building collapsed.
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With the rise in the hobby's popularity, there has been increasing discussion of whether the extra attention has been beneficial.
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155:
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has used the
Internet to crimp subway tunnel explorations, going as far as to send investigators to various explorers' homes.
344:
127:
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112:
914:, called for an "end" to rooftop photography in 2016, citing similar concerns about the possibility of death or injury. The
2236:
799:
The rise in urban exploration's popularity can be attributed to increased media attention. Recent television shows such as
1249:
Rooftopping and skywalking are the ascents of rooftops, cranes, antennas, smokestacks, etc., usually illegally, to get an
1051:
It is thought that a 9-year-old boy fell 6 metres (20 ft) from a spiral staircase to the ground inside the ruins of
134:
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1826:
450:
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1401:
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328:. Some activities associated with urban exploration may violate local or regional laws, certain broadly interpreted
3083:
1077:
A man was kayaking through a storm water drain when he became trapped by rising water from heavy rain and drowned.
915:
329:
141:
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647:, or "draining", is another common form of urban exploration. Groups devoted to the task have arisen, such as the
3088:
2814:
2214:
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841:
3113:
836:
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218:
269:
123:
2672:
Hidden Cities: Travels to the Secret
Corners of the World's Great Metropolises; A Memoir of Urban Exploration
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292:
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2320:"'I cannot let him die in vain' Mum pays tribute to 'urban explorer' son who died after falling from roof"
1953:
1827:"Urban exploration - Richard Shepherd photographs derelict buildings in the North East and further afield"
1741:
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911:
574:
538:
469:
69:
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An 18-year-old boy was on Mulatière railway bridge taking photos, when he fell from the bridge and died.
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637:
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A 34-year-old YouTuber suffered a fatal fall while filming a YouTube video in an abandoned building in
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and active security patrols, while others are more easily accessible and carry less risk of discovery.
3108:
3103:
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2871:
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1308:
879:. On the right is a corridor leading to the bunker complex, and on the left is the "mushroom tunnel".
731:
394:
1884:
1598:
1344:
1304:
473:
2237:"Urban explorer who died while photographing Philadelphia storm drain remembered as 'bando queen'"
1577:
616:, comprising many of the tunnels that are not open to public tours, including the catacombs, the "
2851:
1334:
946:
Many abandoned structures have hazards such as unstable structures, unsafe floors, broken glass,
907:
727:
597:
489:
2289:"In Yekaterinburg, a teenager crashed to death by falling from the roof of a one-story building"
694:
148:
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Universities, and other large institutions, such as hospitals, often distribute hazardous
348:
Urban explorers at the entrance of a technical gallery under construction in Paris, France
274:
1912:"Edge walkers: police call for end to 'rooftopping' before it's too late | Globalnews.ca"
1094:
2796:
2510:
The
Practical Guide to Ingress: What you really need to know without the extraneous junk
718:, the only American city with an abandoned subway system that was once operational. The
435:(literally "ruins"), and the term is synonymous with the practice of urban exploration.
3052:
3027:
2926:
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1349:
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752:
743:
683:
671:
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613:
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370:
950:, entrapment hazards, or unknown chemicals and other harmful substances (most notably
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A Memphis photographer and urban explorer died after a 14-story fall off a hotel in
856:
620:" due to their extensive nature and history. Explorers of these spaces are known as
553:
3057:
3017:
2956:
2719:
2378:
2353:"34-Year-Old Russian YouTuber Falls To Death From Fire Escape While Shooting Video"
2185:"Lyon: Since the disappearance of Maxime, tributes have multiplied on the networks"
1397:
1339:
1148:
1142:
936:
921:
632:
585:
446:
382:
378:
317:
2456:
2431:"The Hong Kong urban adventurers for whom nothing is too tall, or deep, or spooky"
2374:"Meet the rooftoppers: the urban outlaws who risk everything to summit our cities"
2064:"In Neman, a 9-year-old boy fell from the stairs of a destroyed fortress and died"
299:(a specific form of urban exploration where storm drains or sewers are explored),
2259:""One brick collapsed": details of the death of a teenager who crashed at Moscow"
17:
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2936:
2921:
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2324:
1250:
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884:
644:
504:
410:
90:
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are particularly common in Japan because of its rapid industrialization (e.g.,
3012:
3007:
2896:
2800:
1954:"Abandoned beauties: Urban explorers find adventure in ruins of old buildings"
1801:"Urban explorers risking lives and arrest for social media glory, say experts"
1292:
1262:
1023:
939:
are not designed with human access as their primary use and can be subject to
861:
617:
530:
522:
414:
406:
1779:
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A 22-year-old man died after falling from the roof of an abandoned factory.
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903:
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374:
362:
333:
325:
2704:
1519:
756:
568:
Another aspect of urban exploration is the practice of exploring active or
2784:
1650:"Underground Aircraft Dispersal Bihac Airfield, Yugoslavia 44-50N 015-47E"
30:"Urban explorer" and "urban explorers" redirect here. For other uses, see
3062:
3032:
3002:
2931:
2911:
1072:
959:
951:
888:
784:
679:
675:
485:
390:
358:
1238:
332:, or can be considered trespassing or invasion of privacy. Encountering
3047:
2886:
1151:
after being swept away in a flash flood while exploring a storm drain.
1122:
1116:
1000:
699:
663:
492:
402:
398:
1939:"Legal Urban Exploration: 7 Tips for Visiting Historical Abandonments"
1491:"Storm drains vital for a rainy day, but at times they're overwhelmed"
831:
Conference, complementing numerous newspaper articles and interviews.
710:
Exploring active and abandoned subway and railway tunnels, bores, and
2966:
2951:
2941:
2916:
1258:
1254:
1218:
1212:
1207:
1190:
1168:
1163:
1089:
1041:
995:
723:
703:
561:
221:. Statements consisting only of original research should be removed.
2806:
823:
have packaged the hobby for a popular audience. The fictional film
783:
without warning. Most active steam tunnels do not contain airborne
686:. Protective equipment is recommended for people who enter sewers.
27:
Exploration of usually hidden or abandoned buildings and structures
2215:"Man taking photos falls 14 stories to his death at Chicago hotel"
1885:"Urban explorers dare to investigate seldom-seen Pittsburgh sites"
1279:
1237:
1046:
910:
for encouraging behavior that "could get someone hurt or killed".
871:
865:
855:
747:
693:
631:
584:
552:
343:
268:
2724:
Access All Areas: A user's guide to the art of urban exploration.
2759:(2007), a documentary about some of the world's urban explorers.
2003:"Woodbury man dies after being swept into river while exploring"
1403:
Access All Areas: A User's Guide to the Art of Urban
Exploration
515:
2810:
2561:. Center for the Study of the Built Environment. Archived from
2726:
PO Box 13, Station E, Toronto, ON M6H 4E1 Canada: Infilpress.
2696:
186:
84:
43:
2559:"Pokémon Go - A New Avenue for Urban Exploration » CSBE"
612:
have been investigated by urban explorers. Some consider the
2034:"Man dies, another rescued in drama along Mississippi River"
2483:"Using Stealth, and Drones, to Document a Fading Hong Kong"
2094:"In Neman, the police found the corpse of a 9-year-old boy"
2687:"New York Underground: Exploring City Caves and Catacombs"
2611:"Abandoned App Leads You to Local Urban Exploration Sites"
2154:"Man exploring Brisbane city tunnels dies in heavy storm"
2124:"Man exploring Brisbane city tunnels dies in heavy storm"
840:, a documentary series that ran for three seasons on the
891:, have had critical attention in mainstream newspapers.
37:"Urbex" redirects here. For the documentary series, see
472:, a large underground facility abandoned since 1992 is
210:
1147:
A 30-year-old photographer and urban explorer died in
2764:
Urbex : 50 lieux secrets et abandonnés en France
962:. Some abandoned locations may be heavily guarded by
2406:"Afraid of heights? You'll still want to watch this"
477:
2995:
2844:
2586:"5 Apps That Help You Find Your City's Hidden Gems"
2533:"Why Pokémon Go will surprise you in your own city"
982:
730:network that have been closed over the years, with
115:. Unsourced material may be challenged and removed.
2706:Forbidden Places: Exploring Our Abandoned Heritage
1982:"Urban explorer pays for his hobby with his life"
1768:"Urban Explorers Give Modern Ruins a Second Life"
898:, lawyers for the Roads and Traffic Authority of
1829:. BBC Tyne, Broadcasting Centre. 20 August 2008
436:
421:
420:In Japan, abandoned infrastructure is known as
1729:(Map). Michel-Eugène Lefébure de Fourcy. 1841.
428:
2822:
1878:
1876:
1874:
1872:
1870:
1578:"The Hazards of Haikyo and Urban Exploration"
8:
2649:. Verso Books, Brooklyn, London and Paris.
1849:"Urban exploration: the threat to business"
1740:Water, Municipal Sewer and (22 June 2020).
1658:National Photographic Interpretation Center
722:is also abandoned but was never completed.
78:Learn how and when to remove these messages
2829:
2815:
2807:
2738:Night Vision: The Art of Urban Exploration
2646:Explore Everything: Place-Hacking the City
2183:Noble-Werner, Baptiste (15 January 2017).
973:
834:Another source of popular information is
255:Learn how and when to remove this message
237:Learn how and when to remove this message
175:Learn how and when to remove this message
2425:
2423:
767:for heating or cooling buildings from a
560:inside an abandoned limestone quarry in
459:
2032:Heron Marquez Estrada (26 April 2009).
1701:Shevchenko, Vitaly (11 February 2014).
1389:
521:Abandoned sites are also popular among
1557:. Vol. 42, no. 1. p. 18
954:). Other risks include freely roaming
2195:from the original on 12 November 2020
2074:from the original on 25 November 2020
773:Massachusetts Institute of Technology
7:
2394:Article in "BBC News" March 23, 2017
2257:Zabailovich, Julia (5 August 2019).
1703:"The urban explorers of the ex-USSR"
860:A partially collapsed tunnel in the
464:Željava underground military airport
113:adding citations to reliable sources
2584:Walker, Alissa (13 November 2014).
1460:Stevenson, Seth (15 October 2000).
2756:Urban Explorers: Into the Darkness
2685:Lyden, Jacki (14 September 2013).
1883:Batz, Bob Jr. (7 September 2003).
1766:Mele, Christopher (27 July 2020).
1576:Gakuran, Michael (23 March 2010).
734:a popular location for explorers.
658:A small subset of explorers enter
455:2011 Tōhoku earthquake and tsunami
25:
2507:Harris, Jesse (30 January 2015).
2104:from the original on 30 July 2013
1937:Ebaster, Al (19 September 2007).
775:, but students there now call it
59:This article has multiple issues.
2795:
2783:
2299:from the original on 8 July 2021
2044:from the original on 8 July 2021
2013:from the original on 8 July 2021
1742:"How to Keep Sewer Workers Safe"
1434:Nestor, James (19 August 2007).
1206:
1184:
1162:
1136:
1110:
1088:
1066:
1040:
1017:
994:
726:has a number of stations on the
573:may be committing trespass, and
191:
89:
48:
2318:Smith, Daniel (2 August 2020).
2160:. 23 March 2015. Archived from
2130:. 23 March 2015. Archived from
1669:– via nsarchive2.gwu.edu.
1518:Scott, Michael (1 March 1993).
1489:Lyons, Sheridan (6 July 1981).
1365:List of defunct amusement parks
821:The Atlantic Paranormal Society
674:). Sewers can contain viruses,
100:needs additional citations for
67:or discuss these issues on the
32:Urban explorer (disambiguation)
2481:Ives, Mike (7 February 2017).
1952:Owen, Mary (5 December 2004).
1436:"The Art of Urban Exploration"
1298:for exploration and recording.
39:URBEX – Enter At Your Own Risk
1:
1547:Lipin, David (January 1997).
970:Deaths from urban exploration
716:subway of Rochester, New York
698:Diesel trains in a tunnel of
2803:travel guide from Wikivoyage
1599:"Haikyo: Abandoned Treasure"
1520:"Hacking the Material World"
1462:"Forgive us our tresspasses"
1055:and died from his injuries.
1406:. Infilpress. p. 223.
1143:Philadelphia, United States
484:mountain, near the city of
437:
422:
217:the claims made and adding
3130:
1231:
916:Toronto Transit Commission
741:
36:
29:
2703:Margaine, Sylvain (2009)
1746:Municipal Sewer and Water
1528:. Vol. 1, no. 3
1274:Some urban explorers use
1024:Saint Paul, United States
976:
539:industrial archaeologists
478:
429:
405:, outmoded and abandoned
2457:"Meet the Place Hackers"
2435:South China Morning Post
1379:, Australian urbex group
1360:Abandoned shopping plaza
837:Cities of the Underworld
577:prosecution may result.
451:1980s real estate bubble
3094:Subterranea (geography)
1890:Pittsburgh Post-Gazette
1440:San Francisco Chronicle
1255:selfie photos or videos
829:Hackers on Planet Earth
777:roof and tunnel hacking
636:Storm drain outfall in
628:Sewers and storm drains
596:such as those found in
293:roof and tunnel hacking
291:and sometimes known as
2972:Ultralight backpacking
2351:Ningthoujam, Natalia.
1853:City Security Magazine
1681:"Zeljava-jna_jedinice"
1269:Methods and technology
1246:
1191:Totnes, United Kingdom
1117:Chicago, United States
880:
869:
760:
707:
640:
590:
565:
470:Bosnia and Herzegovina
465:
349:
277:
275:Salbert fortifications
2692:All Things Considered
2670:Gates, Moses (2012).
1726:Paris Underground Map
1470:. London. p. 105
1241:
902:shut down the Sydney
889:breaking and entering
875:
859:
769:central heating plant
751:
697:
638:Saint Paul, Minnesota
635:
588:
556:
488:. It was the largest
476:, situated under the
463:
347:
272:
2877:Backpacking (hiking)
2872:Backpacking (travel)
2862:Adventure recreation
2792:at Wikimedia Commons
1549:"Circling the Drain"
1305:location-based games
1095:La Mulatière, France
732:Aldwych tube station
283:(often shortened as
109:improve this article
2857:Adjectival tourisms
2736:Paiva, Troy (2008)
2674:Tarcher, New York.
2641:Garrett, Bradley L.
2565:on 12 February 2017
2382:. 17 February 2015.
2134:on 24 November 2020
1980:Reinhart, Anthony.
1345:Abandoned graveyard
1125:while trespassing.
1073:Brisbane, Australia
330:anti-terrorism laws
305:urban rock climbing
124:"Urban exploration"
2852:Accessible tourism
2617:. 26 February 2013
2487:The New York Times
1772:The New York Times
1335:Industrial tourism
1312:and the following
1247:
908:Maine State Police
881:
870:
761:
728:London Underground
708:
641:
591:
589:Catacombs (France)
566:
466:
361:or other kinds of
350:
278:
202:possibly contains
3084:Urban exploration
3071:
3070:
2977:Urban exploration
2801:Urban exploration
2790:Urban exploration
2788:Media related to
2295:. 3 August 2019.
2009:. 26 April 2009.
1918:. 7 November 2015
1625:"Zeljava Airbase"
1496:The Baltimore Sun
1355:Abandoned railway
1225:
1224:
805:Discovery Channel
765:superheated steam
755:in the center of
720:Cincinnati subway
497:military air base
445:), damage during
340:Exploration sites
281:Urban exploration
265:
264:
257:
247:
246:
239:
204:original research
185:
184:
177:
159:
82:
18:Urban Exploration
16:(Redirected from
3121:
3089:Adventure travel
2987:Wildlife tourism
2982:Volunteer travel
2892:Cultural tourism
2838:Adventure travel
2831:
2824:
2817:
2808:
2799:
2787:
2762:Timothy Hannem,
2740:Chronicle Books
2700:
2667:
2665:
2663:
2643:(October 2013).
2627:
2626:
2624:
2622:
2607:
2601:
2600:
2598:
2596:
2581:
2575:
2574:
2572:
2570:
2555:
2549:
2548:
2546:
2544:
2529:
2523:
2522:
2520:
2518:
2504:
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2497:
2495:
2493:
2478:
2472:
2471:
2469:
2467:
2453:
2447:
2446:
2444:
2442:
2427:
2418:
2417:
2415:
2413:
2402:
2396:
2390:
2384:
2383:
2370:
2364:
2363:
2361:
2359:
2348:
2342:
2341:
2339:
2337:
2332:on 7 August 2020
2328:. Archived from
2315:
2309:
2308:
2306:
2304:
2285:
2279:
2278:
2276:
2274:
2265:. Archived from
2254:
2248:
2247:
2245:
2243:
2232:
2226:
2225:
2223:
2221:
2211:
2205:
2204:
2202:
2200:
2180:
2174:
2173:
2171:
2169:
2158:The Courier Mail
2150:
2144:
2143:
2141:
2139:
2128:Byron Shire News
2120:
2114:
2113:
2111:
2109:
2100:. 17 June 2020.
2090:
2084:
2083:
2081:
2079:
2070:. 17 June 2013.
2060:
2054:
2053:
2051:
2049:
2029:
2023:
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2020:
2018:
1999:
1993:
1992:
1990:
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549:Active buildings
527:preservationists
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387:fallout shelters
313:building hacking
301:urban spelunking
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2437:. 14 April 2016
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1941:. Web Urbanist.
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1242:Rooftopping in
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1104:
1087:
1083:12 January 2017
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1016:
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1001:Toronto, Canada
993:
988:
972:
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924:, who authored
900:New South Wales
854:
842:History Channel
801:Urban Explorers
797:
746:
740:
738:Utility tunnels
692:
690:Transit tunnels
684:parasitic worms
660:sanitary sewers
630:
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371:grain elevators
367:amusement parks
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2778:External links
2776:
2775:
2774:
2772:978-2081356078
2760:
2751:Melody Gilbert
2748:
2734:
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2701:
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2680:978-1585429349
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2539:. 19 July 2016
2524:
2513:. Jesse Harris
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2007:RiverTown News
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1232:Main article:
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1213:Moscow, Russia
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753:Utility tunnel
744:Utility tunnel
742:Main article:
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672:carbon dioxide
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614:Mines of Paris
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512:infrastructure
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227:December 2021
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165:December 2021
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3058:Scuba diving
3018:Hang gliding
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2957:Slum tourism
2763:
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2723:
2720:Ninjalicious
2705:
2690:
2671:
2660:. Retrieved
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2619:. Retrieved
2614:
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2593:. Retrieved
2589:
2579:
2567:. Retrieved
2563:the original
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2541:. Retrieved
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2515:. Retrieved
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2439:. Retrieved
2434:
2410:. Retrieved
2400:
2388:
2379:The Guardian
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2356:. Retrieved
2346:
2336:13 September
2334:. Retrieved
2330:the original
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2301:. Retrieved
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2271:. Retrieved
2267:the original
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2240:. Retrieved
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2218:. Retrieved
2209:
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2197:. Retrieved
2188:
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2162:the original
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2136:. Retrieved
2132:the original
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2108:12 September
2106:. Retrieved
2097:
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2078:25 September
2076:. Retrieved
2067:
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2048:27 September
2046:. Retrieved
2038:Star Tribune
2037:
2027:
2017:27 September
2015:. Retrieved
2006:
1997:
1985:. Retrieved
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1805:the Guardian
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1465:
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1439:
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1402:
1398:Ninjalicious
1392:
1340:Modern ruins
1313:
1307:
1248:
1149:Philadelphia
1105:October 2017
983:Description
958:and hostile
945:
937:Storm drains
935:
926:Infiltration
925:
922:Jeff Chapman
920:
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864:fortress in
847:
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567:
520:
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467:
447:World War II
419:
379:power plants
356:
353:Abandonments
323:
316:
312:
309:urban caving
308:
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300:
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288:
284:
280:
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102:verification
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58:
3109:Urban decay
3104:Backpacking
3043:Paragliding
2937:Overlanding
2922:Hitchhiking
2867:Agritourism
2766:, Arthaud,
2621:12 February
2615:WebUrbanist
2595:12 February
2569:11 February
2543:11 February
2517:11 February
2492:11 February
2466:11 February
2441:11 February
2412:11 February
2325:WalesOnline
1922:10 December
1916:Global News
1709:12 February
1609:18 November
1554:Los Angeles
1286:for videos.
1234:Rooftopping
1228:Rooftopping
1157:August 2019
885:trespassing
702:D6 line in
643:Entry into
505:Bosnian War
490:underground
415:sanatoriums
411:poor houses
407:skyscrapers
3078:Categories
3063:Zip-lining
3013:Geohashing
3008:Geocaching
2996:Activities
2897:Ecotourism
2408:. Red Bull
2392:Lucy Ash,
2358:1 December
2242:1 December
2220:1 December
1987:1 December
1859:9 December
1811:9 December
1751:9 December
1605:. May 2010
1384:References
1315:Pokémon Go
1293:quadcopter
1263:Buildering
1251:adrenaline
956:guard dogs
862:Kyminlinna
813:, and the
810:MTV's Fear
795:Popularity
622:cataphiles
618:Holy Grail
531:architects
523:historians
480:Plješevica
453:, and the
273:Abandoned
211:improve it
135:newspapers
64:improve it
2947:Rogaining
2189:20minutes
1785:16 August
1780:0362-4331
1603:Weekender
1561:29 August
1532:29 August
1503:29 August
1474:31 August
1419:29 August
1377:Cave Clan
1282:or other
1244:Hong Kong
1179:July 2020
1131:June 2018
1035:June 2013
989:June 2008
980:Location
960:squatters
904:Cave Clan
896:Australia
868:, Finland
653:Australia
649:Cave Clan
594:Catacombs
581:Catacombs
391:hospitals
375:factories
363:vandalism
334:squatters
326:squatters
215:verifying
70:talk page
3033:Naturism
3003:Climbing
2962:Tramping
2932:Kloofing
2912:Glamping
2722:(2005).
2662:23 April
2537:Newsweek
2297:Archived
2193:Archived
2102:Archived
2072:Archived
2042:Archived
2011:Archived
1833:23 April
1686:27 April
1634:27 April
1400:(2005).
1324:See also
1278:such as
952:asbestos
852:Legality
825:After...
785:asbestos
712:stations
706:, Russia
680:protozoa
676:bacteria
359:graffiti
297:draining
3099:Hobbies
3048:Rafting
2887:Camping
2590:Gizmodo
1965:27 July
1896:20 June
1665:28 July
1583:21 June
1445:20 June
1329:General
1309:Ingress
1123:Chicago
932:Hazards
803:on the
700:Metro-2
664:methane
499:in the
493:airport
403:schools
399:prisons
395:asylums
318:mousing
209:Please
149:scholar
2967:Travel
2952:Safari
2942:Picnic
2917:Hiking
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866:Kotka
670:, or
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575:civil
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315:, or
156:JSTOR
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2728:ISBN
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2664:2014
2651:ISBN
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2545:2017
2519:2017
2494:2017
2468:2017
2443:2017
2414:2017
2360:2022
2338:2020
2305:2020
2275:2020
2244:2022
2222:2022
2201:2020
2170:2021
2140:2020
2110:2020
2080:2020
2050:2020
2019:2020
1989:2022
1967:2009
1924:2022
1898:2008
1861:2022
1835:2014
1813:2022
1787:2020
1776:ISSN
1753:2022
1711:2014
1688:2017
1667:2022
1636:2017
1611:2010
1585:2011
1563:2022
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