Optical Illusions

Page #3 of 5 - nine illusions below

There are 9 people in this picture. Can find them all?

Do the lines appear to be straight or distorted? Check them with a straightedge.

This image appears to be a spiral, but it is really a series of concentric circles. Cover half and see what happens.

Which do you see? A young girl or an old woman?

Stare at the lines long enough and they appear to be moving.

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