He Places Squares In front Of A Mirror And Reflects Circles, MIND-BLOWING

Kokichi Sugihara from Meiji University Japan, has won the Best Illusion of the Year Contest 2016. In this video, you see Kokichi place square-shaped objects in front of the mirror and the reflection shows circled shaped objects. This is remarkable, and many have spent countless hours trying to guess how he did it. Let us know what you think he did.

Ambiguous Cylinder Illusion