Archivo: Optical illusion greysquares
Descripción: Optical illusion causing the brain to interpret colors wrongly.
Título: Optical illusion greysquares
Créditos: http://en.wikipedia.org/wiki/Image:Optical.greysquares.arp.gif
Autor(a): (3ucky(3all
Permiso: "The copyright holder has irrevocably released all rights to it, allowing it to be freely reproduced, distributed, transmitted, used, modified, built upon, or otherwise exploited in any way by anyone for any purpose, commercial or non-commercial, with or without attribution of the author, as if in the public domain." Check URL named in "Source" for additional information.
Términos de Uso: Copyrighted free use
Licencia: Copyrighted free use
Enlace de Licencia: //commons.wikimedia.org/wiki/File:Optical_illusion_greysquares.gif
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