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This popular piece of work from artist Octavio Ocampo is as much a puzzle as it is an illusion. The piece centers around two people in an archway, the combination of which creates the image of a male's face from the side. There are many different faces in the picture, some are even up in the sky. See if you can find them all.
My teacher gave us this thing in class.. I only saw a face because I was sitting in the corner of the classroom so I couldnt see the women or the baby, Thx for showing this! :D