![Sun Si abseils down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)](http://www.ecns.cn/hd/2018/07/11/48ba8b1351724bb99e20c28322338b42.jpg)
Sun Si abseils down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)
![Sun Si abseils down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)](http://www.ecns.cn/hd/2018/07/11/4ebace07bbf24697b82035b448498847.jpg)
Sun Si abseils down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)
![Two adventurers abseil down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)](http://www.ecns.cn/hd/2018/07/11/8cbf0125240d4630b887acea8d644538.jpg)
Two adventurers abseil down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)
![Two adventurers abseil down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)](http://www.ecns.cn/hd/2018/07/11/32ecd3217c4749499c40b10589427ef6.jpg)
Two adventurers abseil down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)
![Two adventurers abseil down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)](http://www.ecns.cn/hd/2018/07/11/6028ae8a39374143aed0b83f3496dc95.jpg)
Two adventurers abseil down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)
![Ma Ming abseils down a 106-meter-high waterfall in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)](http://www.ecns.cn/hd/2018/07/11/56cb8ec9bcb7436586e34c814cdc52ed.jpg)
Ma Ming abseils down a 106-meter-high waterfall in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)
![Sun Si abseils down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)](http://www.ecns.cn/hd/2018/07/11/f46ef891ee8e46d381ca5687f5e460da.jpg)
Sun Si abseils down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)
![Sun Si abseils down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)](http://www.ecns.cn/hd/2018/07/11/fdb05c6271de404fb7f6118e4daa954c.jpg)
Sun Si abseils down a 106-meter-high waterfall in Jiulong River National Park in Rucheng County, Central China’s Hunan Province, July 10, 2018. Two participants took five minutes to descend a rope from a glass walkway at the top of a cliff to the ground below. (Photo: China News Service/Yang Huafeng)