Terrified tour guide freaks out and crawls on a glass-bottomed walkway after it suddenly 'cracks' under his feet脚下的玻璃走道突然“裂开”，导游吓到腿软

Chinese workers repair 'world's most dangerous hiking trail' at 7,000 feet high after some wooden planks ROTTED AWAY有些木板腐烂了，中国工人在7000英尺高空维修&ldq