A person has printed the "Rotating snakes" optical illusion on a sheet of paper and has posed in front of her cat. One might think that the illusion only works on humans, but to see the reaction of the cat that jumps on the paper, believing that he also sees. "Rotating snakes" are a type of optical illusion directed by Japanese Akiyoshi Kitaoka. It is a still image made up of round ten. But when you look at the image, you can see the round turn on themselves. Seeing the round move, the cat tries to hit them with his paw.