An enthusiast goes bungee jumping from Zhangjiajie Grand Canyon's glass-bottom bridge, during a challenge in Zhangjiajie scenic spot, central China's Hunan Province, May 26, 2018. Enthusiasts from Russia, Australia, Britain and other countries and regions participated in the challenge on Saturday. (Xinhua/Yan Yuan)

An enthusiast goes bungee jumping from Zhangjiajie Grand Canyon's glass-bottom bridge, during a challenge in Zhangjiajie scenic spot, central China's Hunan Province, May 26, 2018. Enthusiasts from Russia, Australia, Britain and other countries and regions participated in the challenge on Saturday. (Xinhua/Yan Yuan)

An enthusiast goes bungee jumping from Zhangjiajie Grand Canyon's glass-bottom bridge, during a challenge in Zhangjiajie scenic spot, central China's Hunan Province, May 26, 2018. Enthusiasts from Russia, Australia, Britain and other countries and regions participated in the challenge on Saturday. (Xinhua/Yan Yuan)

An enthusiast goes bungee jumping from Zhangjiajie Grand Canyon's glass-bottom bridge, during a challenge in Zhangjiajie scenic spot, central China's Hunan Province, May 26, 2018. Enthusiasts from Russia, Australia, Britain and other countries and regions participated in the challenge on Saturday. (Xinhua/Zhou Guoqiang)

An enthusiast goes bungee jumping from Zhangjiajie Grand Canyon's glass-bottom bridge, during a challenge in Zhangjiajie scenic spot, central China's Hunan Province, May 26, 2018. Enthusiasts from Russia, Australia, Britain and other countries and regions participated in the challenge on Saturday. (Xinhua/Zhou Guoqiang)

An enthusiast goes bungee jumping from Zhangjiajie Grand Canyon's glass-bottom bridge, during a challenge in Zhangjiajie scenic spot, central China's Hunan Province, May 26, 2018. Enthusiasts from Russia, Australia, Britain and other countries and regions participated in the challenge on Saturday. (Xinhua/Yan Yuan)