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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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