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This may or may not be a brilliant optical illusion...
http://www.switched.com/2008/04/09/the-trippiest-optical-illustions-on-the-net/
I don't know 'cos I can only see her turning clockwise...
http://www.switched.com/2008/04/09/the-trippiest-optical-illustions-on-the-net/
I don't know 'cos I can only see her turning clockwise...