http://www.newopticalillusions.com/3d-optical-illusion/circle-optical-illusions/ Collection of Visual, Scary And Funny Illusions Tue, 06 Jan 2009 15:29:06 +0000 http://www.newopticalillusions.com/3d-optical-illusion/circle-optical-illusions/#comment-268 BIM Mon, 28 Apr 2008 16:22:41 +0000 http://www.newopticalillusions.com/3d-optical-illusion/circle-optical-illusions/#comment-268 there is other "instructions": you must focus to the center and move head forward and backbward there is other “instructions”: you must focus to the center and move head forward and backbward

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