In this photo the boy is real, the Rubik's cube is not. It's just a flat image on the floor. Create your own huge 3D illusions like this on sidewalks or floors with chalk, paint or other media. (This one is a paper cutout.)

Click HERE, or go to www.BionWare.com and learn about the Windows program BSAsidewalk3D that makes illusions like this, and much larger ones, easy and fun to create.