Dick Termes paints murals on spheres. And he does it with a unique “six-point” perspective technique that permits a remarkable optical illusion.

As you watch this video, try to convince yourself that the front half of the sphere is transparent and that the mural is painted on the concave interior of the farther side — that is, that you’re standing in the center of the pictured room and turning in place to your left. If you succeed, the spin will seem to reverse direction and you’ll find yourself inside the painting: