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Workers clean glass curtain wall of skyscraper in Zhengzhou, China's Henan 

      

      
 Source: Xinhua| 2019-05-03 14:40:13|Editor:  mingmei 

      

            
      


      

      

      

      
    

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      CHINA-ZHENGZHOU-SKYSCRAPER EXTERIOR CLEANERS (CN)
      

      Workers clean the glass curtain wall of a skyscraper in Zhengzhou, capital of central China's Henan Province, May 2, 2019. (Xinhua/Feng Dapeng) 
      

      

      

      


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