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 id you
        have trouble viewing the image
        'rightside up'?
id you
        have trouble viewing the image
        'rightside up'?
    

The picture was produced by time-lapse from a geostationary satellite in the early seventies. Here is the southern portion of the image. Can you locate your hometown by man-made lighting from a position more than 20,000 miles away?
 
      
 
      

    
|  |  |  | The Puzzle as a Literary Genre |