Two-thirds of the world’s more than 300 sinkholes are in China, scattered throughout the country’s west - with 30 known tiankeng, Guangxi province in the south has more of them than anywhere else.
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China's massive sinkholes are a big hit with tourists, but experts warn of serious risk to fragile habitatsGuangxi province boasts more tiankengs than any other ... was one of the first explorers of these sinkholes, recalls the legends surrounding the pits. He recalls how locals once believed that ...
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