Exploring the Unexplored Caves of China
The vast Niubizi Tian Keng in the Er Wang Dong cave system, where clouds form inside the huge spaces
This photograph is one of the first-ever images taken of one of a cave so large it has its own weather system
A team of expert cavers have been exploring the caves in the Chongquing province of China
A raging torrent of white water,they had to be aware of high water levels inside the caves, especially when it rained heavily on the surface
The spectacular beddings in the roof
An explorer peers down over her shoulder into a giant void of cloud.The floor is over 240m below
Large stalagmites in San Wang Dong create a spectacle mid-way through a section of cave called Crusty Duvets
A giant calcite stalactite boss
Explorers walk through a section of cave in San Wang Dong called The Sea of Tranquility. Here remains of old Nitrate mining cover the floor
An explorer scales the rope up a vertical section of cave known as a pit in Xinu Attic
Crystal clear pools and slow moving streams make it easier to explore
