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:Dog jumping over ManhattanNot a brickThe GrinchBig cat on the roofFeeling deflatedWireless BirdModel ship on polesGoofy Tree
