
Photo taken on Aug. 20, 2016 shows the aerial view of Zhangjiajie Grand Canyon's glass-bottom bridge in Zhangjiajie scenic spot, central China's Hunan Province, Aug. 20, 2016.(Xinhua/Long Hongtao)

Photo taken on Aug. 20, 2016 shows the aerial view of Zhangjiajie Grand Canyon's glass-bottom bridge in Zhangjiajie scenic spot, central China's Hunan Province, Aug. 20, 2016.(Xinhua/Long Hongtao)