Officially called the “Coiling Dragon Cliff”, this glass skywalk, overlooking Tongtian Avenue at Tianmen Mountain in China, sits 4,600-feet above ground. As the name implies, looking straight down probably isn’t for the faint of heart, but fortunately, this mountain has two other not so extreme glass bridges: one that is suspended 1,410-feet above ground, and the other at 590-feet. Continue reading for another video and more pictures.