With a background in cognitive psychology, I can’t help but find illusions and other perceptual tricks utterly fascinating. As our modes of sensory input are streamlined for efficiency, this leaves a significant and somewhat shocking margin for error.
Combine that knowledge with the world of art, and you’ve got the increasingly popular trend of forced perspective “anamorphic” street drawings (wherein the image and three-dimensional illusion are only properly visible while viewing the piece from a particular location).
Here are 89 of the world’s most mind-bending 3D chalk drawings, from five key artists in the scene.