historic city walls around the moat and fortifications to the citadel of blaye, gironde, nouvelle- aquitaine, france.

ancient aquitaine architecture bastion blaye bordeaux boundary bridge building castle citadel city culture defense defensive department entrance estuary europe european exterior famous fort fortification fortifications fortress france french garonne gateway gironde grass heritage historic historical history landmark landscape medieval moat monument nouvelle old outdoor panorama place protection rampart scenery sightseeing site sky southwestern stone tourism travel unesco vauban wall walls world