London : Do you consider yourself mentally strong ? then viewing for this picture for just for 30 seconds, will change your thought.
Yes this optical illusion image will confuse your mind.
If you want to test then open the picture in full screen window and focus your eyes on the center of the illusion and then gently turn to the other side , you will feel that motionless objects are moving .
DO NOT watch if you suffer from epilepsy or are sensitive to flashing lights.
London based designer Paul Neave, created that illusion image as iPhone app, and its Effect can last for up to 20 seconds.