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      Renovating an underwater section of the Great Wall
      

      
Source: Xinhua|
Published: 2020-06-30

      

      
      
             
      
        
      
        
      
          
        
      
      
      
      
      
      

      
      
      
      
                        
      The underwater section of the Great Wall at Panjiakou is a sight to behold but a big headache for the renovation team. How do they cope with the challenges?
      
 
            
      
      

      

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