A speleologist on a small ledge overlooking the vast floor surface of Niubizi Tian Keng in the Er Wang Dong cave system., Photo by Robbie Shone Design Pics Stock Photo - Afloimages
A speleologist on a small ledge overlooking the vast floor surface of Niubizi Tian Keng in the Er Wang Dong cave system., Photo by Robbie Shone / Design Pics