Photo taken on Aug. 25, 2020 shows the scenery of the Danjiangkou Reservoir region at dusk in Xichuan County of Nanyang, central China's Henan Province. The middle route of China's south-to-north water diversion project begins from the Danjiangkou Reservoir. (Xinhua/Feng Dapeng)

Photo taken on Aug. 25, 2020 shows the scenery of the Danjiangkou Reservoir region at dusk in Xichuan County of Nanyang, central China's Henan Province. The middle route of China's south-to-north water diversion project begins from the Danjiangkou Reservoir. (Xinhua/Feng Dapeng)

Aerial photo taken on Aug. 25, 2020 shows the scenery of the Danjiangkou Reservoir region during sunset in Xichuan County of Nanyang, central China's Henan Province. The middle route of China's south-to-north water diversion project begins from the Danjiangkou Reservoir. (Xinhua/Feng Dapeng)

Photo taken on Aug. 25, 2020 shows the scenery of the Danjiangkou Reservoir region at dusk in Xichuan County of Nanyang, central China's Henan Province. The middle route of China's south-to-north water diversion project begins from the Danjiangkou Reservoir. (Xinhua/Feng Dapeng)

Aerial photo taken on Aug. 25, 2020 shows the scenery of the Danjiangkou Reservoir region at dusk in Xichuan County of Nanyang, central China's Henan Province. The middle route of China's south-to-north water diversion project begins from the Danjiangkou Reservoir. (Xinhua/Feng Dapeng)