People visit 2020 Consumer Electronics Show in Las Vegas 

          

          
 Source: Xinhua| 2020-01-09 16:53:19|Editor:  xuxin

          

                
          


          

          

          

          
    

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          U.S.-LAS VEGAS-CES
          

          Photo taken on Jan. 8, 2020 shows a smart door lock at the 2020 Consumer Electronics Show in Las Vegas, the United States. (Xinhua/Wu Xiaoling)
          

          

          

          




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