Photo taken on Feb. 22, 2020 shows fruit trees at an orchard in Yangtian Village of Xichuan County in Nanyang, central China's Henan Province. As part of the water source of the middle route of China's south-to-north water diversion project, Xichuan County has made much progress in both ecological protection and poverty alleviation.Photo:Xinhua

Villagers sort out mushrooms inside a storehouse at Meichi Village of Xichuan County in Nanyang, central China's Henan Province, Feb. 19, 2020. As part of the water source of the middle route of China's south-to-north water diversion project, Xichuan County has made much progress in both ecological protection and poverty alleviation.Photo:Xinhua

A worker gets water from Danjiangkou reservoir to share with tourists at Xichuan County in Nanyang, central China's Henan Province, Aug. 26, 2020. As part of the water source of the middle route of China's south-to-north water diversion project, Xichuan County has made much progress in both ecological protection and poverty alleviation.Photo:Xinhua

Aerial photo taken on Aug. 25, 2020 shows the fields of a crab cultivation base at Madeng Town of Xichuan County in Nanyang, central China's Henan Province. As part of the water source of the middle route of China's south-to-north water diversion project, Xichuan County has made much progress in both ecological protection and poverty alleviation.Photo:Xinhua

Employees work in a factory of Fusen Pharmaceutical Company in Xichuan County in Nanyang, central China's Henan Province, Feb. 20, 2020. As part of the water source of the middle route of China's south-to-north water diversion project, Xichuan County has made much progress in both ecological protection and poverty alleviation.Photo:Xinhua