In pics: bridge above grand canyon in Zhangjiajie under construction (2)

Workers build the vitreous bridge above the grand canyon in Zhangjiajie, central China's Hunan Province, June 15, 2015.A giant new vitreous bridge is currently under construction across the 400-metre deep Zhangjiajie Grand Canyon in Hunan province. The bridge will stretch 430 metres between its support pillars, making it a new scenic spot for tourism in the world. (Xinhua/Long Hongtao)