Transparent coffee cup Photo by: jkvandersteen What am I looking at? This transparent coffee cup is a perfect physical illusion. The reflection of the saucer in the smooth surface of the cup completes the floral pattern nicely. More optical illusions:Missing pixelsParked too long?Goblin spy on a planeNature's DanceLake View GardenTetanus RainbowRealistic PaintingTsunami in Ohio
