Photo taken on June 29, 2017 shows Dicui Gorge of the “Small Three Gorges” scenic area in Wushan county, Southwest China’s Chongqing. [Photo/Xinhua]

Photo taken on June 29, 2017 shows a sightseeing boat sailing in Dicui Gorge of the “Small Three Gorges” scenic area in Wushan county, Southwest China’s Chongqing.[Photo/Xinhua]

Photo taken on June 29, 2017 shows a sightseeing boat sailing in Dicui Gorge of the “Small Three Gorges” scenic area in Wushan county, Southwest China’s Chongqing.[Photo/Xinhua]

Photo taken on June 29, 2017 shows a sightseeing boat sailing in Dicui Gorge of the “Small Three Gorges” scenic area in Wushan county, Southwest China’s Chongqing.[Photo/Xinhua]