Photo taken on Aug. 4, 2021 shows a photovoltaic power station in Tujing Village, Yunzhou District of Datong City, north China's Shanxi Province. The photovoltaic power station, built upon 1,851 mu (123.4 hectares) of saline-alkaline land, generates over 80 million KWH of power per year. (Xinhua/Cao Yang)

Aerial photo taken on Aug. 3, 2021 shows a photovoltaic power station in Tujing Village, Yunzhou District of Datong City, north China's Shanxi Province. The photovoltaic power station, built upon 1,851 mu (123.4 hectares) of saline-alkaline land, generates over 80 million KWH of power per year. (Xinhua/Cao Yang)

Aerial photo taken on Aug. 4, 2021 shows a photovoltaic power station in Tujing Village, Yunzhou District of Datong City, north China's Shanxi Province. The photovoltaic power station, built upon 1,851 mu (123.4 hectares) of saline-alkaline land, generates over 80 million KWH of power per year. (Xinhua/Cao Yang)

A staff member patrols in a photovoltaic power station in Tujing Village, Yunzhou District of Datong City, north China's Shanxi Province, Aug. 3, 2021. The photovoltaic power station, built upon 1,851 mu (123.4 hectares) of saline-alkaline land, generates over 80 million KWH of power per year. (Xinhua/Cao Yang)

Staff members patrol in a photovoltaic power station in Tujing Village, Yunzhou District of Datong City, north China's Shanxi Province, Aug. 3, 2021. The photovoltaic power station, built upon 1,851 mu (123.4 hectares) of saline-alkaline land, generates over 80 million KWH of power per year. (Xinhua/Cao Yang)

Aerial photo taken on Aug. 3, 2021 shows a photovoltaic power station in Tujing Village, Yunzhou District of Datong City, north China's Shanxi Province. The photovoltaic power station, built upon 1,851 mu (123.4 hectares) of saline-alkaline land, generates over 80 million KWH of power per year. (Xinhua/Cao Yang)