![](http://www.alamy.com/thumbs/6/75058190-7125-4918-B151-73A703C20034/H6NFW0.jpg)
optical illusion
Size: 4961px × 4961px
Photo credit: © dipego / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: abstract, backdrop, background, black, blank, blink, caucasian, change, circle, deceive, deep, design, effect, european, experimental, figure, formation, geometric, geometry, glancing, graphic, gray, grey, illusion, inspiration, jetblack, line, model, motion, movement, moving, optical, optische, peeking, perception, postponement, quotoptische, shape, shaping, square, sudden, swarthy, tauschung, tauschungquot, thought, trade, view