The most important organ for survival is vision. It gives us a sense of scale, distance, color, volume, shape, etc. \\ By being able to manipulate an image, you can trick your brain.

• By planting the right spots, we can get feedback that allows the perception to draw out the missing parts on its own.

• But it is so easy to fool the brain, if you just turn the image upside down, add visual weight, or change its color. And here we can see a huge block/form falling down in front of us. But originally they were just human bodies.

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