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Keywords from Image Description:
Mondvergleich.svg Mondtuschung Prinzip der Vergleichsobjekte Die beiden orangen Kreise in der Mitte sind gleich gro Optical illusion The two orange circles are the same size Ilusin ptica Los dos crculos anaranjados son del mismo tamao Illusion d'optique Les deux cercles oranges sont de la mme taille own assumed Phroodcommons Ebbinghaus