Aerial photo taken on July 10, 2020 shows the Riyue Lake scenic spot in Shangqiu City, central China's Henan Province. The scenic spot, part of the hydro-project of Shangqiu new area, has the functions of both irrigation and tourism and is open for free to the public.Photo:Xinhua

Aerial photo taken on July 10, 2020 shows the Riyue Lake scenic spot in Shangqiu City, central China's Henan Province. The scenic spot, part of the hydro-project of Shangqiu new area, has the functions of both irrigation and tourism and is open for free to the public.Photo:Xinhua

Aerial photo taken on July 10, 2020 shows the Riyue Lake scenic spot in Shangqiu City, central China's Henan Province. The scenic spot, part of the hydro-project of Shangqiu new area, has the functions of both irrigation and tourism and is open for free to the public.Photo:Xinhua

Aerial photo taken on July 10, 2020 shows the Riyue Lake scenic spot in Shangqiu City, central China's Henan Province. The scenic spot, part of the hydro-project of Shangqiu new area, has the functions of both irrigation and tourism and is open for free to the public.Photo:Xinhua

Aerial photo taken on July 10, 2020 shows the Riyue Lake scenic spot in Shangqiu City, central China's Henan Province. The scenic spot, part of the hydro-project of Shangqiu new area, has the functions of both irrigation and tourism and is open for free to the public.Photo:Xinhua

People visit the Riyue Lake scenic spot in Shangqiu City, central China's Henan Province, July 10, 2020. The scenic spot, part of the hydro-project of Shangqiu new area, has the functions of both irrigation and tourism and is open for free to the public. Photo:Xinhua

Aerial photo taken on July 10, 2020 shows the Riyue Lake scenic spot in Shangqiu City, central China's Henan Province. The scenic spot, part of the hydro-project of Shangqiu new area, has the functions of both irrigation and tourism and is open for free to the public.Photo:Xinhua