I had at it with the SWC recently:
But my favorite part is below. At first I thought it was some kind of film artifact, though under closer inspection:
Yes! A bird! A bird in the sky! Who could ever imagine finding one there?
I don't recall if I remembered seeing them in flight when I took the shot. I usually try to get birds in the air if they happen to be flying about when I'm about to take the shot. You know, I like to get a little bit of dynamism into these otherwise forgettable architecture shots.