How many circles do you see?
What is this?
Are the surfaces A & B identical? Place your fingers across the centre line and look again!
Are there two cubes with one open space, or one cube with two open spaces?
Don’t Mess With My Mind
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Don’t Mess with My Mind
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How many circles do you see?
Not everything is what it seems…
What is this?
Are the surfaces A & B identical? Place your fingers across the centre line and look again!
Are there two cubes with one open space, or one cube with two open spaces?
Which green line is longer, the right one or the left one?
Are these two rectangles parallel?
Amazing 3D Art
Optical Illusions YouTube
Are the blue lines parallel?
Is this concave or convex?
Which is longer, the red line or the blue line?
How did this happen?
This is not a video!
Is the lady moving clockwise or anti-clockwise?
The floor is flat!
These people breed :-(
Perspective is important