High-speed trains receive thorough clean
    

    


    Ecns.cn    |     2017-01-10 07:35
    



 


    


    

    


    



    

    

    


    


    
High-speed trains receive thorough clean

    


    


    Automatic cleaning of a high-speed train in Shanghai, Jan 8, 2017. The cleanup uses both automatic and manual efforts that take about 45 minutes for each 400-meter-long train. One group of workers cleans 20 locomotives each night. [Photo / China News Service]
    
    		

    
    

    

    


    

    

    



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