In fact, this ancient forest sinkhole is the largest in the province. It'll come as no surprise that the world's largest sinkhole is also in China, known as Xiaozhai Tiankeng in the Chongqing region.

The World's Largest Underwater Cave in Mexico is Filled With Ancient Mayan Treasures, Baffles Experts Explorers as a part of ...

As San Francisco recorded nearly 3 inches of rain in less than 24 hours, the largest sinkhole the city ... of only two pairs known to exist in the world.” The city hired a scientific and ...

The world's largest sinkhole is Xiaoxhai Tiankeng in south-western China. With a depth measuring 660 metres, researchers believe it was formed more than 128,000 years ago.

They can be a life-threatening disaster—or a pricey nuisance. Here’s what you need to know about the depressions and holes that can form beneath our feet. Increased use of groundwater caused ...