Ключевые слова: ancient, architecture, background, bastion, bretagne, brittany, building, castle, castles, chateau des ducs de bretagne, city, defensive, dukes, europe, exterior, facade, fort, fortress, france, french, gate, gothic, heritage, historic, historical, historical landmark, history, isolated, landmark, landscape, mediaeval, medieval, moat, monument, nantes france, old, palace, residence, room, royal, sights, stone, tourism, tower, town, travel, wall, window,