![](http://www.alamy.com/thumbs/6/E9F42696-C1A9-4DF2-A61E-3F8DE8D6B50D/2BEHA30.jpg)
Optical Illusion, Muller-Lyer, Illustration
Size: 4200px × 3000px
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Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ambiguous, illusion, illustration, lyer, math, muller-lyer, optical, perception, perceptual, perspective, psychology, science, üller