M. C. Escher's "Moebius Strip II", an image of ants walking along the
surface of a moebius strip.
-http://en.wikipedia.org/wiki/Moebius_strip
-http://en.wikipedia.org/wiki/Maurits_Cornelis_Escher
+https://en.wikipedia.org/wiki/Moebius_strip
+https://en.wikipedia.org/wiki/Maurits_Cornelis_Escher
Written by Marcelo F. Vianna; 1997.
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