The Xiaozhai Tiankeng, often called the “Heavenly Pit,” stands as the planet’s largest and deepest known sinkhole. This ...

The Xiaozhai Tiankeng stands as the textbook example of what happens when karst processes are given perfect working ...

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.

The Xiaozhai Tiankeng sinkhole is vast. Probably formed centuries ago by collapsing caves and underground rivers, teams of explorers have sought to understand its many mysteries for years.

Our journey into the world of inky black cavities takes in the world's largest sinkhole - Xiaozhai Tiankeng, or Heavenly Pit - a monster in China that at one point reaches 2,172 feet into the earth.

China's southwestern karst landscape is pockmarked with dozens of enormous sinkholes that look like they were made with a cookie cutter — and scientists keep finding new ones. When you purchase ...

The finding came after a series of surveys and collection of germplasm resources in Xiaozhai Tiankeng, also known as the Heavenly Pit, near the city of Mengzi, in Southwest China's Yunnan Province.