Where is the biggest sinkhole?
Where is the biggest sinkhole? Xiaozhai Tiankeng: The Largest Sinkhole in the World. At more than 2000 feet long, 1762 feet wide, and almost 2200 feet deep, Xiaozhai Tiankeng is the largest sinkhole in the world. Locally known as the Xiaozhai Heavenly Pit, it is part of the Shaanxi Cluster, a collection of karst sinkholes in China's Shaanxi Province ...
Can you swim in a sinkhole?
Oman's Bimmah Sinkhole is considered one of the most beautiful on the planet, and it serves as a swimming hole for local residents and tourists who come to see its azure waters.