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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 

      

            
      


      

      

      


      

      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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