As I mentioned before, the buildings are shaped like silver halide crystals, obviously influenced by the fact that film and camera company Kodak was the original sponsor of the pavilion. But you probably knew that. Crystalline Structure
I'm not sure what that big thing sticking up is, but it kind of makes me think of a big telescope in an observatory. Maybe it's an imagination detector. Thanks to whoever took we members of the undeserving rabble up into the DVC lounge. Observing Imagination