outer wall of palace of the popes avignon france

abstract antiquated arch arched armor armored avignon balustrade barrier battle block buildings bulwark castle catholic chessman christianity citadel city defend embattled enclosure estate europe fort fortification fortified fortify fortress france gothic govern guard historic historical important international knight leader medieval military moat nobody palace palais palisade papacy papal papes pope popes power powerful protection rampart residence ruler shield stone strong stronghold travel turret vertical wall walled