Aerial photo of heliostats of molten-salt solar thermal power plant in China's Gansu 

          

          
 Source: Xinhua| 2019-10-24 22:14:27|Editor:  Yurou 

          

                
          


          

          

          

          
    

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          CHINA-GANSU-DUNHUANG-SOLAR POWER-HELIOSTAT-CLEANING (CN)
          

          Workers clean heliostats for a molten-salt solar thermal power plant in Dunhuang, northwest China's Gansu Province. (Xinhua/Ma Ning) 
          

          

          

          


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