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In pics: construction site of Dajianshan railway tunnel in Yunnan 

    

    
 Source: Xinhua| 2019-05-26 16:28:28|Editor:  ZX 

    

          
    


    

    

    

    
    

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    CHINA-YUNNAN-RAILWAY TUNNEL-CONSTRUCTION (CN)
    

    Constructors work at the construction site of Dajianshan railway tunnel of the Yuxi-Mohan Railway in southwest China's Yunnan Province, May 25, 2019. (Xinhua/Yang Zongyou) 
    

    

    

    


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