This is not a photograph, but its amazing

Even though it is not a photograph, i am always interested in how the eye and the brain work together...or not so together

If your eyes follow the movement of the rotating pink dot, the dots will remain only one colour - pink.
However if you stare at the black “+” in the center, the moving dot turns to green.

Now, concentrate on the black “+” in the center of the picture.
After a short period, all the pink dots will slowly disappear, and you will only see only a single green dot rotating.

It's amazing how our brain works. There really is no green dot, and the pink ones really don't disappear.
Proof enough that we don't always see what we think we see...

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