Aerial photo taken on July 2, 2020 shows a view of the Goupitan hydropower station in Yuqing County, southwest China's Guizhou Province. Goupitan hydropower station navigation project is scheduled to be put into use in March, 2021.Photo:Xinhua

Aerial photo taken on July 2, 2020 shows a view of the Goupitan hydropower station in Yuqing County, southwest China's Guizhou Province. Goupitan hydropower station navigation project is scheduled to be put into use in March, 2021.Photo:Xinhua

Aerial photo taken on July 2, 2020 shows a view of the Goupitan hydropower station in Yuqing County, southwest China's Guizhou Province. Goupitan hydropower station navigation project is scheduled to be put into use in March, 2021.Photo:Xinhua

Aerial photo taken on July 2, 2020 shows a view of the Goupitan hydropower station in Yuqing County, southwest China's Guizhou Province. Goupitan hydropower station navigation project is scheduled to be put into use in March, 2021.Photo:Xinhua