se distraire en ligne
pour les enfants
Akiyoshi's illusion pages
A k i y o s h i ' s i l l u s io n p a g e s Akiyoshi KITAOKA, Professor, Department of Psychology , Ritsumeikan University , Kyoto , Japan studying visual perception, visual illusion, optical illusion, trompe l'oeil, 3D, etc.
Engrish