More ideas from Daniel
Speedup Illussions

Speedup Illussions

Glass Skywalk Tianmen Mountain China

At least 4000 feet in the air a three-foot-wide walkway clings to one face of Tianmen Mountain in Zhangjiajie, China, above a rocky ravine. With a glass bottom, the tourist attraction provides a crystal-clear view of where one wrong step could take you.