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

ancient aquitaine arch architecture bastion blaye bordeaux bridge building castle citadel city culture defense defensive department door entrance estuary europe european exterior fort fortification fortifications fortress france garonne gate gateway gironde heritage historic historical history holiday landmark landscape medieval monument nouvelle old panorama protection rampart sightseeing sky southwestern stone tourism tower travel unesco urban vacation vauban wall walls