People have fun at the foot of Qinling Mountain in Xi'an, northwest China's Shaanxi Province, May 29, 2021. (Xinhua/Shao Rui)
People visit a city park along Chanhe River in Xi'an, northwest China's Shaanxi Province, May 28, 2021. (Xinhua/Shao Rui)
Workers water the lawn at Xi'an Chanba National Wetland Park in Xi'an, northwest China's Shaanxi Province, May 26, 2021. (Xinhua/Shao Rui)
Aerial photo taken on May 25, 2021 shows the view of a city park in Xi'an, northwest China's Shaanxi Province. (Xinhua/Shao Rui)
Aerial photo taken on May 28, 2021 shows the view of a city park along Chanhe River in Xi'an, northwest China's Shaanxi Province. (Xinhua/Shao Rui)
Aerial photo taken on July 5, 2019 shows the view of a city park in Xi'an, northwest China's Shaanxi Province. (Xinhua/Shao Rui)
Aerial photo taken on May 28, 2021 shows the view of a city park along Chanhe River in Xi'an, northwest China's Shaanxi Province. (Xinhua/Shao Rui)