Ключевые слова: architecture, bridge, bridges, building, buildings, castile and leon, castileleon, castilla y leon, castillaleon, duero, duero river, europe, exterior, exteriors, historic, historic architecture, historical, historical architecture, history, landmark, landmarks, old, old architecture, outdoor, outdoors, outside, province of zamora, river, river duero, rivers, roman, sights, spain, toro, travel, traveling, travelling, travels, western europe, world locations, world travel, zamora province,