Optical Illsuions. Does The Brain Trick Us?

Floating star by Kye Nao Moving arrows Vanishing circles Rays going from the middle Multicolored moving circles Stripes on stripes Penrose stairs Shepard elephant Young girl - old woman illusion Indian or Eskimo illusion Nurse or old woman illusion Mouse or rat? Dolphins or lovers illusion Frog or horse illusion Snow White or Sherlock Holmes Old couple or mexicans illusion Two face profiles or vase illusion This is a wall or a lake? Ames room. Actualle these women are the same height Inside of the Ames room