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      What's surface of Mars made of? China's Mars probe to find out
      

      
Source: Xinhua|
Published: 2020-07-26

      

      
      
             
      
        
      
        
      
          
        
      
      
      
      
      
      

      
      
      
      
                        
      What's the surface of #Mars?made of? China's Mars probe may find out.
      
 
            
      
      

      

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