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    China sees transportation get greener, smarter
    
      
    
      
    
        
          By Sun Chi | 
          chinadaily.com.cn |
          Updated: 2021-09-03 17:53
        
        
          
          
          
          
        

      
    


      
    
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   The Beijing Subway logo is seen during the 2021 China International Fair for Trade in Services in Beijing on Sept 3, 2021. [Photo Sun Chi/chinadaily.com.cn] 
 
     

     

        
      
    

      
      
    
        
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