Aerial photo taken on Dec. 10, 2017 shows a wharf of Danjiangkou Reservoir in Xichuan County, central China's Henan Province. Danjiangkou Reservoir is the water source of the central route of China's south-to-north water diversion project. Photo: Xinhua

Aerial photo taken on Dec. 10, 2017 shows the scenery of Danjiangkou Reservoir in Xichuan County, central China's Henan Province. Danjiangkou Reservoir is the water source of the central route of China's south-to-north water diversion project. Photo: Xinhua
 

Aerial photo taken on Dec. 9, 2017 shows the sunset scenery of Danjiangkou Reservoir in Xichuan County, central China's Henan Province. Danjiangkou Reservoir is the water source of the central route of China's south-to-north water diversion project.Photo: Xinhua

Aerial photo taken on Dec. 9, 2017 shows the sunset scenery of Danjiangkou Reservoir in Xichuan County, central China's Henan Province. Danjiangkou Reservoir is the water source of the central route of China's south-to-north water diversion project.Photo: Xinhua

Aerial photo taken on Dec. 9, 2017 shows the scenery of Danjiangkou Reservoir in Xichuan County, central China's Henan Province. Danjiangkou Reservoir is the water source of the central route of China's south-to-north water diversion project. Photo: Xinhua