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

    


    


    Team members ride across the forest on a tour of inspection during the 1960s.[File photo provided to China Daily]
    
    		

    
    

    

    


    

    

    




    

    

    




    



    


    

    


    

    


    

    

    

    


 

    


    


 

    

    


    
 


    

    


    

    

    



    

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