Jamie Harkins. This is a must see! Forget about sand castles, Jamie Harkins takes it to another level. He makes beautiful 3D illusions in the sand! His anamorphic drawings range from M.C. Escher like stairways to ocean scenes.
With just sticks and beach sand he creates these unique and impermanent three dimensional realities. The technique is known as anamorphosis. To make it come more alive he has people pose and at the end of the day lets the tide take his illusions.
See for yourself below.