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 ...

T he 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 ...

Despite being hundreds of meters deep, the Xiaozhai Tiankeng sinkhole was not discovered ... bowls measuring 320 meters and 342 meters in depth respectively. Between these two steps is a sloping ...

Xiaozhai Tiankeng, or the Xiaozhai Heavenly Pit, measures roughly 537 meters (1,762 feet) in diameter and sinks between 511 and 662 meters (1,667-2,172 feet) into the Earth. With near vertical ...

China is also home to the world's largest sinkhole — the Xiaozhai Tiankeng — measuring over 2,000 feet in depth. It can be found in Tiankeng Difeng National Park in Chongqing City. Read next ...

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.

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.

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.