User:David Rajzman/Tiankeng
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Tiankeng
[edit]A Tiankeng is a special kind of sinkhole found in Southern China.
References
[edit]http://www.chinaculture.org/gb/en_curiosity/2004-08/10/content_58840.htm
http://dsc.discovery.com/news/2006/10/18/sinkhole_pla.html?category=earth&guid=20061018103000