Tiankeng: the mysterious gigantic sinkholes in China

China is a geographically diverse country. With a variety of landscapes (地貎) and ecosystems (生態系統), ranging from tropical forests in the south to snowy mountains in the north, it is also home to a unique landform (地形) called “tiankeng” (天坑). The word “tiankeng” means “heavenly pit” in Chinese, which is an extremely large and deep sinkhole (沉洞) with steep walls. To be a tiankeng, the ...Read More