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          How a desert branched out to become Beijing's guardian
          

          


          By ZHAO XU and LEI LEI    |    China Daily    |     2017-08-04 08:56
    



 


          


          

          


          



          

          

          


          


          
How a desert branched out to become Beijing's guardian

          


          


          Workers dig holes for saplings during the 1990s.[File photo provided to China Daily]
          
          		

          
          

          

          


          

          

          




          

          

          




          



          


          

          


          

          


          

          



          


          

          


          

          

          



          

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