Covering an area of 5,500 Mu (about 367 hectares), the Guanshan Lake Park serves as the "green lungs" of Guiyang City. (Photos: Xinhua)

Aerial photo taken on July 29, 2020 shows the scenery at the Guanshan Lake Park in Guiyang City, southwest China's Guizhou Province.

Children have fun at the Guanshan Lake Park in Guiyang City, southwest China's Guizhou Province, July 29, 2020.

Aerial photo taken on July 29, 2020 shows the scenery at the Guanshan Lake Park in Guiyang City, southwest China's Guizhou Province.

Aerial photo taken on July 29, 2020 shows the scenery at the Guanshan Lake Park in Guiyang City, southwest China's Guizhou Province.

Aerial photo taken on July 29, 2020 shows the scenery at the Guanshan Lake Park in Guiyang City, southwest China's Guizhou Province.

People exercise at the Guanshan Lake Park in Guiyang City, southwest China's Guizhou Province, July 29, 2020.