Southwestern China is home to karst landscapes ... The bottom of the sinkhole harbored a primal forest with ancient trees that were up to 131 feet (40 m) tall. The undergrowth was dense ...

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 ...

An curved arrow pointing right. A traffic officer in the city of Hangzhou, China, was patrolling a busy intersection when he noticed cracks forming in the road. He sprung into action, blocking off ...