World’s Largest Glass Walkway Opens In China June 16, 2015June 16, 2015 The skywalk is situated 4,700 ft above sea level on the side of the Tianmen Mountain in Zhangjiajie, China. The 200 ft long bridge joins the west cliff at the Yunmeng Fairy Summit, the summit of Tianmen Mountain and Zhang Jiajie. Source :Dailymail, GoogleShare this...FacebookTwitterPinterestLinkedin