(DIR) xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
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       xkcd - A Webcomic - Spatial Orientation (1964)
        
       Image:
 (PNG) spatial_orientation.png
        
       Here, if you know the number of days until the vernal equinox, I
       can point you to the theater using my pocket Stonehenge.
        
       Comics reproduced from www.xkcd.com under license.
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