Illusions observed outdoors #7
since September 4, 2016
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"Wave illusion on sidewalk in Marrakech (Morocco)"
Copyright Daniel Picon 2018 (March 12)
"Bulging print"
The center of the print placed on a flat pavement appears to bulge out.
Copyright Akiyoshi Kitaoka 2016 (September 4)
photos taken at the Western Square of the Kinugasa Campus, Ritsumeikan University, Kyoto
photo taken in the illusion lab
original image