Transparent plank road draws visitors to ancient cave (2/3)
2015-02-27 10:36
Ecns.cn
Web Editor:Yao Lan
Visitors walk on a suspended glass corridor, about 100 meters above the ground, in a karst cave, formed about 100 million years ago, in Jiulong town, South China's Guangdong province, Feb. 26, 2015. The town is a popular choice for self-guided driving tour. (Photo/CFP)
