Aerial photo taken on Aug. 17, 2020 shows a photovoltaic power station at the green industrial development park in the Tibetan Autonomous Prefecture of Hainan, northwest China's Qinghai Province. The photovoltaic power station here not only generates electricity but also helps increase the income of impoverished people. (Xinhua/Zhang Long)

Aerial photo taken on Aug. 17, 2020 shows a photovoltaic power station at the green industrial development park in the Tibetan Autonomous Prefecture of Hainan, northwest China's Qinghai Province. The photovoltaic power station here not only generates electricity but also helps increase the income of impoverished people. (Xinhua/Zhang Long)

Aerial photo taken on Aug. 17, 2020 shows a photovoltaic power station at the green industrial development park in the Tibetan Autonomous Prefecture of Hainan, northwest China's Qinghai Province. The photovoltaic power station here not only generates electricity but also helps increase the income of impoverished people. (Xinhua/Zhang Long)

Aerial photo taken on Aug. 17, 2020 shows a photovoltaic power station at the green industrial development park in the Tibetan Autonomous Prefecture of Hainan, northwest China's Qinghai Province. The photovoltaic power station here not only generates electricity but also helps increase the income of impoverished people. (Xinhua/Zhang Long)

Aerial photo taken on Aug. 17, 2020 shows a photovoltaic power station at an industrial development park in the Tibetan Autonomous Prefecture of Hainan, northwest China's Qinghai Province. The photovoltaic power station here not only generates electricity but also helps increase the income of impoverished people. (Xinhua/Zhang Long)