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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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