How many? Photo by: Hines 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:Impaled windshieldGrate View of Central ParkElvish WritingCalm LakeBirds are not RealMisbehaving ShadowBack to SchoolPuffy Face