Visitors hoping to walk on the world's highest and longest glass-bottomed bridge will have to hold their breath.
원문출처 : http://www.cnn.com/2016/09/02/travel/china-zhangjiajie-glass-bridge-closed/index.html
원문출처 : http://www.cnn.com/2016/09/02/travel/china-zhangjiajie-glass-bridge-closed/index.html