A monumental undertaking

        

      

      

        
          
          CHINA DAILY |
          Updated: 2023-12-23 09:22
          
          
          
          
        


        
      

      

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   Li Zhe, a researcher from the School of Architecture at Tianjin University, accompanied by a student, conducts a field survey of the Great Wall in outer Beijing on an all-terrain vehicle. ZHAO ZISHUO/LI RAN/SUN FANYUE/XINHUA 
 
 

 

The Great Wall of China, as one of the wonders of the world, was built over the course of 2,000 years, with construction continuing from the Spring and Autumn Period (770-476 BC) to the Ming Dynasty (1368-1644). The existing sections have a total length of more than 21,196 kilometers.
 

        


        
        
      

        
          
          
        

        
          
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