How many? Photo by: HinesĀ What am I looking at? It is hard to tell how many towers this building in Hartford, Connecticut, has and where one ends and the other begins. The illusion is caused by the reflection in the windows. More optical illusions:Goofy TreeThe InvasionBent over the deskWorld's Worst CarpetNext to the boatLaurel the TreeDogs sharing a mouthEye of a tree