(London Daily Mail) Adventurers have stumbled across a cave so enormous that it has its own weather system, complete with wispy clouds and lingering fog inside vast caverns.
A team of expert cavers and photographers have been exploring the vast cave system in the
Chongquing province of China and have taken the first-ever photographs of the natural wonder.
Advertisement - story continues below
They were amazed to discover the entrance to the hidden Er Wang Dong cave system and were stunned when they managed to climb inside to see a space so large that it can contain a cloud.