The Xiaozhai Tiankeng stands as the textbook example of what happens when karst processes are given perfect working ...

A terrifying incident unfolded in Chennai, India, on May 17 when a taxi carrying a family of four was swallowed by an ...

In the limestone heartlands of southern China, massive sinkholes known astiankengs are revealing untouched ecosystems and species previously unknown to science. These enormous chasms, also referred to ...

A full orchestra performing nearly 300 meters beneath the Earth's surface. The Zhangjiajie Philharmonic Orchestra brought this dream to ...