Scientists from China and France have discovered a rare huge sinkhole, habitat to many species in south China. The 420-metre deep doline, or sink hole, was among severaldiscovered by scientists during an eight-day expedition that began on February 26 in Donglan county of Guangxi Zhuang Autonomous region.

Dolines found in Guangxi are normally around 250 metres deep, state-run Xinhua news agency reported. Many species live in these dolines, including bats and snakes. Scientists also found some as-yet unidentified vertebrates and plants. READ MORE