Technology powers Beijing’s Zhongguancun touchless services in preventing COVID-19

        

      

      

        
          
          chinadaily.com.cn |
          Updated: 2020-03-16 22:59
          
          
          
          
        


        
      

      

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   People take an elevator by using voice recognition or scanning a QR code at Zhongguancun in Beijing on March 16, 2020. [Photo by Feng Yongbin/ chinadaily.com.cn] 
 
 

 

        


        
        
      

        
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