So why is Xiaozhai Tiankeng worth visiting ... zag staircase comprising of 2,800 steps to help you reach the bottom of the ...

known as Xiaozhai Tiankeng in the Chongqing region. Interestingly enough, you can visit many of China's sinkholes, rappelling ...

Despite being hundreds of meters deep, the Xiaozhai Tiankeng sinkhole was not discovered ... It is also 662 meters from top to bottom, making it the world's largest and deepest sinkhole.

At its bottom, the expeditionists found a flourishing ... including the world’s largest sinkhole, Xiaozhai Tiankeng, at 2,172 feet deep in Chongqing. Set upon an enormous underground river ...

Xiaozhai Tiankeng, or the Xiaozhai Heavenly Pit ... with a river flowing through the bottom. All tiankeng are comprised of carbonate rock, with the exception of two Venezuelan structures that ...

The ceilings therefore collapsed to the bottom, opening up the enormous sinkholes. China's tiankeng are unique, according to Zhu Xuewen, a researcher at the Institute of Karst Geology at the ...

But one thing is for certain: measuring 660m deep, with a volume of 130 million cubic metres, China's Xiaoxhai Tiankeng is both the deepest and largest sinkhole in the world. Video: The world's ...

At the bottom of a sinkhole ... Large sinkholes are known in Chinese as “tiankeng,” or “heavenly pits.” The sinkhole near Ping’e village is known to local residents as Shenying Tiankeng ...

Very little light reaches the bottom of tiankeng, which means "heavenly pits" in Mandarin. Tiankeng are 330-foot-deep (100 meters) holes in China's southwestern karst landscape. These deep pits ...

Cave explorers stumbled upon a prehistoric forest at the bottom of a giant sinkhole in South China earlier this month. Sinkholes such as these are also known in Chinese as Tiankeng, or "Heavenly pit.