Headless Man Source/credit: singaporeincidents What am I looking at? This headless man is a true puzzle. But if you look down at his feet, you can see the long mirror that he is holding between his legs. His head is behind the mirror. More optical illusions:Paperthin BuildingMissing Chair LegSkywalkerHidden ad in advertisement pageCat's faceDeflated dogFootprint in the sandHigh-rise buidings