What do you feel when 3,500-ft-high glass walkway cracks under your feet
A piece of glass walkway of 3,540-foot-high (1,080m) cracked right under tourists’ feet when a visitor’s stainless steel cup fell to it, it happened at Yuntai Mountain Geological Park in China. No tourists were endangered, for the walkway had several layers of 2.7cm-thick glass, each of them can support 800kg per square meter.
Video