VIDEO: M.C. Escher's Perpetual Motion Waterfall Brought to Life!
Sure the concept of 'Perpetual Motion' is considered IMPOSSIBLE but that didn't stop the perspective-bending artist M.C. Escher from creating his famous lithograph drawing... Not only does his optical illusion work 2-dimensionally on paper, YouTube user mcwolles re-created this mind bending optical illusion in a Real-Life model...!!