The windows were really neat - there were a lot of walled up windows, so people painted them up with scenes as though you were seeing through a real window.

The fort was very large. When Avignon was not part of the Frankish kingdom, the Popes moved there from Rome. The French King was a bit worried about having someone that powerful parked right on his border, so he built a great big fuck off fort as a polite warning not to get any ideas about his territory.