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          Pictures of the year: Space
          
        
          
      
          
      
          
        
          
          chinadaily.com.cn |
          Updated: 2018-12-25 06:50
          
          
          
          
        


        
      
          
      
          
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   A cross-section of a thick sheet of underground ice is exposed at the steep slope that appears bright blue in this enhanced-color view of Mars from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter in this image released on Jan 11, 2018. [Photo/Agencies] 
 
           

           

          
        
          

        
        
      
    
        

        

      
          
      

    
          
    
          

      
          

        
      
          

    
          


    
          
      
          

        
          
        
          
        
      
          
      
          

        
        
      
      
    
      
          
    
          


    
      
      
      
          
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