A staff member checks photovoltaic power generation equipment at the site of the Xinghuo Water Surface Photovoltaic Demonstration Project of Daqing Oilfield in Daqing, northeast China's Heilongjiang Province, July 21, 2022. Photo:Xinhua
Aerial photo taken on July 21, 2022 shows the Xinghuo Water Surface Photovoltaic Demonstration Project of Daqing Oilfield in Daqing, northeast China's Heilongjiang Province. Photo:Xinhua
Aerial photo taken on July 21, 2022 shows the Xinghuo Water Surface Photovoltaic Demonstration Project of Daqing Oilfield in Daqing, northeast China's Heilongjiang Province. Photo:Xinhua
Aerial photo taken on July 21, 2022 shows the Xinghuo Water Surface Photovoltaic Demonstration Project of Daqing Oilfield in Daqing, northeast China's Heilongjiang Province. Photo:Xinhua
Aerial photo taken on July 21, 2022 shows the Xinghuo Water Surface Photovoltaic Demonstration Project of Daqing Oilfield in Daqing, northeast China's Heilongjiang Province. Photo:Xinhua
Aerial photo taken on July 21, 2022 shows the Xinghuo Water Surface Photovoltaic Demonstration Project of Daqing Oilfield in Daqing, northeast China's Heilongjiang Province. Photo:Xinhua
Aerial photo taken on July 21, 2022 shows the Xinghuo Water Surface Photovoltaic Demonstration Project of Daqing Oilfield in Daqing, northeast China's Heilongjiang Province. Photo:Xinhua
Aerial photo taken on July 21, 2022 shows the Xinghuo Water Surface Photovoltaic Demonstration Project of Daqing Oilfield in Daqing, northeast China's Heilongjiang Province. Photo:Xinhua