![Optical illusion!](Opt1.jpg) Beauty is in the eye of the beholder.
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![Optical illusion!](Opt2.jpg)
You see what you think you see.
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![Optical illusion!](Opt3.jpg)
Face the vase.
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![Optical illusion!](Opt4.jpg)
What do you see in this face?
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![Optical illusion!](Opt5.jpg)
Face the music.
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![Optical illusion!](Opt6.jpg)
Which line is smaller?
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![Optical illusion!](Opt7.jpg)
Triangle plus prosac equals?
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![Optical illusion!](Opt8.jpg)
Where does this elephant think he's going?
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![Optical illusion!](Opt9.jpg)
Can you read between the lines?
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![Optical illusion!](Opt10.jpg)
Of the two parallel lines which is longer?
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![Optical illusion!](Opt11.jpg)
Is seeing always believing?
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