The Xiaozhai Tiankeng, often called the “Heavenly Pit,” stands as the planet’s largest and deepest known sinkhole. This extraordinary geological formation located in southwestern China has captivated ...

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 ...

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.

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 ...

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 ...

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 ...