6月23日，清洁工人在张家界大峡谷玻璃桥桥面作业。近日，湖南张家界大峡谷人行玻璃桥完成桥梁施工，对外开放在即。据悉，张家界大峡谷玻璃桥总长430米、宽6米，桥面距离谷底相对高度约300米。计划在经过安全测试之后，玻璃桥将择期对游客开放。[新华社 龙弘涛 摄]
Workers mop up the glass bridge at the Grand Canyon of Zhangjiajie National Forest Park, central China's Hunan Province, June 23, 2016. The 430-meter-long, 6-meter-wide bridge is expected to be put into operation after the security check. (Xinhua/Long Hongtao)