Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...
来自MSN
Only 1% out of 100 can find the hidden odd Penguin in this Optical Illusion Brain Teaser IQ ...
An optical illusion is a visual phenomenon where our eyes perceive something differently from reality, tricking the brain into misinterpreting what it sees. These illusions occur because the brain ...
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