Game of beer pong Source/credit: lost What am I looking at? This shadow illusion is an internet classic. Every few years it gets rediscovered and goes viral again. The couple plays a game of beer pong while their shadows play something else. More optical illusions:A Flying IslandWhat Big Teeth you HaveSquare Fire HydrantPainting the skyDog jumping a giant holeImpossible Chairs4 peopleFight against Cervical Cancer
