Just to clarify, what you see is the BMW building reflecting the building in front. The distortion comes from the fact that the building is not flat. It looks like this (follow the link).
"I never looked for it, gave it no name; yet I knew it always, when the gift of peace came. I stood quite still for the moment that it lasted...Then the light shifted slightly and the moment passed, leaving me...with the lasting echo of its presence.." Diana Gabaldon
Jim