Er Wang Dong
LocationHouping Township, Wulong County, Chongqing, China
Depth441 m
Length42,139 m

Er Wang Dong (Chinese: 二王洞; lit. 'Second Royal Cave') is a large cave in the Wulong Karst region, in Wulong County of Chongqing Municipality of China.[1][2]

Current known length of its passages is 42,139 metres (138,251 ft)[3][4] with a maximum depth of 441 m (1,447 ft). It is large enough to contain its own weather system. The cave starts in the 195 m (640 ft) deep Niubizi tiankeng (牛鼻子天坑; "ox nose sinkhole") and also contains the 295 m (968 ft) deep Qingkou tiankeng.

Er Wang Dong cave has formed in Lower Ordovician limestone and is located close to another very large cave system - San Wang Dong.

Both caves were explored by Hong Meigui Cave Exploration Society. Local people make weather forecasts based on the observations in Niubizi tiankeng - if there is a fog coming from the cave, rain is expected.[3]

See also

References

  1. ↑ "地下化石走廊——二王洞 (The Underground Fossil Corridor - Er Wang Dong)" (in Chinese). The Official Government Website of Houping Township, Wulong County. November 5, 2009. Archived from the original on October 4, 2013. Retrieved October 2, 2013.
  2. ↑ Leslie Lapides (3 Oct 2013). "First-Ever Images of Er Wang Dong Cave, A Cave With Its Own Weather System". Weather.com. Archived from the original on 2013-10-04.
  3. 1 2 "Er Wang Dong Cave". Wondermondo. 11 October 2013.
  4. ↑ "Website of Hong Meigui Cave Exploration Society".


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