Tech helping in the fight against COVID-19

        

      

      

        
          
          chinadaily.com.cn |
          Updated: 2020-08-26 13:18
          
          
          
          
        


        
      

      

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   A robot dog called Spot patrols a park in Singapore to ensure people observe social distancing. Spot uses cameras to estimate the number of visitors.[Photo/China News Service] 
 
 

 

        


        
        
      

        
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