Do these circles appear to intertwine? Believe it or not, they are actually individual circles!
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Move your eyes around this image and count the dots at the intersections. When you are finished, count them again. Do the dots appear and then disappear? Focus on any one dot and it will disappear.
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Do you see a rabbit or a duck? Look closely, and you will see both.
If you look at the three dark rings you should be able to see particles swirling around. Stare at them long enough and they will reverse direction.
This one will make you dizzy. Try focusing on just the center circle while moving your head.
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