The world's highest and longest glass-bottomed bridge is seen above a valley in Zhangjiajie in China's Hunan Province on August 21, 2016. / AFP PHOTO / FRED DUFOUR
The world’s highest and longest glass-bottomed bridge is seen above a valley in Zhangjiajie in China’s Hunan Province on August 20, 2016. / AFP PHOTO / FRED DUFOUR
The world’s highest and longest glass-bottomed bridge is seen above a valley in Zhangjiajie in China’s Hunan Province on August 20, 2016. / AFP PHOTO / FRED DUFOUR
The world’s highest and longest glass-bottomed bridge is seen above a valley in Zhangjiajie in China’s Hunan Province on August 21, 2016. / AFP PHOTO / FRED DUFOUR
Visitors cross the world’s highest and longest glass-bottomed bridge above a valley in Zhangjiajie in China’s Hunan Province on August 21, 2016. / AFP PHOTO / FRED DUFOUR
A visitor lies down to take a photograph on the world’s highest and longest glass-bottomed bridge above a valley in Zhangjiajie in China’s Hunan Province on August 21, 2016. / AFP PHOTO / FRED DUFOUR
Visitors cross the world’s highest and longest glass-bottomed bridge above a valley in Zhangjiajie in China’s Hunan Province on August 21, 2016. / AFP PHOTO / FRED DUFOUR
Visitors cross the world’s highest and longest glass-bottomed bridge above a valley in Zhangjiajie in China’s Hunan Province on August 21, 2016. / AFP PHOTO / FRED DUFOUR
A visitor jumps for a photograph on the world’s highest and longest glass-bottomed bridge above a valley in Zhangjiajie in China’s Hunan Province on August 21, 2016. / AFP PHOTO / FRED DUFOUR
A newly married couple lie on a canvas mat as they are lowered from a glass bridge during a promotional event for the tourist spot, on Chinese Valentines’ Day in Pingjiang, Hunan province, China, August 9, 2016. Picture taken August 9, 2016. China Daily/via REUTERS ATTENTION EDITORS – THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY. CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA.
The world's highest and longest glass-bottomed bridge is seen above a valley in Zhangjiajie in China's Hunan Province on August 21, 2016. / AFP PHOTO / FRED DUFOUR