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          Innovation helps restore ancient treasures
          
        
          
      
          
      
          
        
          
          China Daily |
          Updated: 2025-05-17 10:03
          
          
          
          
        


        
      
          
      
          
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   Under the guidance of their teachers, children greet the photographer as they visit the Yungang Grottoes. ZHAN YAN/YANG CHENGUANG/XINHUA 
 
           

           

          
        
          

        
        
      
          
        
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