12 Amazing Photographs with Optical Illusions

"Face of Paris" optical illusion. (Source)

Optical illusion cow. (Photo)

Optical illusion of depressed faces in the rocks. (Source)

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The birds do look so much like a caterpillar that photographer José Luis Rodríguez named the image Oruga de Plumas, or “caterpillar of feathers.” (Source)

Can you spot the camel in the palm trees? Maybe this is photo-shopped?!
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Dancing Tree Optical Illusion is a snapshot taken of an actual tree. The roots and branches form the figure of a woman dancer or a ballerina. These little sitings are one of mother natures ways of showing us her unique beauty. (Source)