8. Xiaozhai Tiankeng “Heavenly Pit”
Depth: 2,170 feet (662m)
Length: 2053 feet (626m)
Width: 1761 feet (537m)
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 sinkhole, believe it or not including clouded leopard, there is also an underground river and a cave at the bottom. Now, let’s see what waits us next on the list of biggest deepest holes in the world.
