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Main section of China-Laos Railway bridge over Mekong River completed 

      

      
Source: Xinhua| 2019-07-29 16:07:57|Editor: huaxia

      

            
      

      

      

      

      

      
    

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      Construction of the main section of a China-Laos Railway bridge over the Mekong River has been completed. Here's why the project is crucial. 
       

      

      

      
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