Hosted on MSN7mon
Massive sinkholes in China hold 'heavenly' forests with plants adapted for harsh life undergroundVery little light reaches the bottom of tiankeng, which means "heavenly pits" in Mandarin. Tiankeng are 330-foot-deep (100 meters) holes in China's southwestern karst landscape. These deep pits ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results