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 ...

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 ...

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Xiaozhai Tiankeng is the largest sinkhole in the world, and no just by looking at number s it is very hard to imagine how big it is. About 1,285 plant and animal species live at the bottom of this ...

Deep in China's Fengjie County lies a natural wonder that has fascinated experts for decades. The Xiaozhai Tiankeng sinkhole is vast. Probably formed centuries ago by collapsing caves and underground ...