In Mandarin Chinese, the word "tiankeng" directly translates as "heavenly pit" or "sky hole," a phenomenon known as a sinkhole in English. Sinkholes are dramatic geological occurrences caused by ...
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IFLScience on MSNFantastic Pit: Deepest Vertical Pit Cave In Mainland US Plunges 179 MetersThat honor goes to a sinkhole in China called Xiaozhai Tiankeng, or the Xiaozhai Heavenly Pit, which sinks between 511 and ...
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