7D with 15mm Fisheye does Da Vinci Bridge in sunrise

Borrowed a Sigma 15mm F2.8 Fisheye lens from my friend to try on my 7D (he has 5DmkII). My target was the Da Vinci Bridge, 20 minutes drive outside Oslo. I thought a dark sunrise sky would be a nice contrast to the bridge. Tripod used.

18 photos on my ZenFolio page:
http://thorsen.zenfolio.com/davinci_bridge