Ключевые слова: ancient, architecture, avignon, blue, building, carcassonne, castle, city, crenel, defending, defense, europe, famous, fort, fortification, fortifications, fortress, france, heritage, history, landmark, landscape, languedocrousillon, loophole, medieval, mediterranean, monument, old, outdoor, panorama, papal, park, pope, protection, provence, scenic, sky, stone, stronghold, tower, town, travel, turret, wall, walls, world gap,