Check out this Amazing 3-D Art

Julian Beever is an English chalk artist who creates chalk drawings on pavement. He creates the illusion of three dimensions when viewed from the right location. These trompe-l'oeil drawings are created using a projection called anamorphosis and appear to defy the laws of perspective. Check these out:

Julian Beever Official Web Site: http://users.skynet.be/J.Beever/

Union Square, New York