It was only "discovered" by the outside world in 1994, and experts still aren't sure how it formed. Peering down from outer space at the rolling green landscape of south-western China's rural ...

Add Yahoo as a preferred source to see more of our stories on Google. This giant karst sinkhole, also called a tiankeng, has plants growing at the bottom in Luoquanyan Village of Xuan'en County, ...

Despite being hundreds of meters deep, the Xiaozhai Tiankeng sinkhole was not discovered until 1994, when a group of British explorers with the Royal Geographic Society stumbled upon it. Since this ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: IMAGO/Xinhua via ...

Giant sinkholes discovered containing untouched ancient forests ...

A descent into the Tiankeng sinkholes of Leye county is not for the fainthearted, but it is intensely rewarding. Qi Yuehai reports The most attractive part of cave exploration is the unknown. Unlike ...

In the rugged karst terrain of southwestern China, there is a geological feature that is so immense and unexpected that it almost defies reality. Dubbed the Xiaozhai Tiankeng, or the Heavenly Pit, ...

Aerial Photo taken on April 19, 2020 shows the scenery of Dashiwei Tiankeng, a giant karst sinkhole, at Leye-Fengshan Global Geopark in south China's Guangxi Zhuang Autonomous Region. The ...

Mianhua Tiankeng cliff path is under construction. [Photo by Meng Zengshi/hcwang.cn] A cliff path in Mianhua Tiankeng is under construction as part of the Luocheng Mianhua Tiankeng Tourist Resort ...