Tetanus Rainbow Source/credit: Eric Burgers What am I looking at? This tetanus rainbow was created without Photoshop tricks. The photographer chose the right perspective (and an ultra-wide angle) to capture this rusty faucet. The trippy result is a great example of forced perspective photography. More optical illusions:Dog jumping over ManhattanGeometric ShapesLong-haired DogNobody's cowTrail Runner Going into the WoodsImpossible woodworkMissing Chair LegSword-billed Hummingbird