3D picture.
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A cat after seeing some optical illusions!
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A day full of romance
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A dragon, a horse and a face
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Above and below.
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Ambiquity
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Angels and the Earth.
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Are the arrows red or blue?
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Are the balls inside or on the shelf?
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Are the circles moving? (The image is Copyright A. Kitaoka)
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Are the dogs black or white?
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Are the side getting curvy? (The image is Copyright A. Kitaoka)
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Balloon
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Be careful with the stairs.
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Bending squares. (The image is Copyright A. Kitaoka)
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Bizarre Dogs! Something terrible must have happened :) (The image is Copyright Archimedes-Lab)
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Black and white spiral. (The image is Copyright A. Kitaoka)
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Both are equal in size.
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Both shapes are equal size.
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Brown spiral. (The image is Copyright A. Kitaoka)
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