Ключевые слова: ancient, architecture, art, avila, battlement, building, castilla y leon, city, cityscape, crenel, day, defending, defensive, dusk, europe, exterior, fort, fortification, fortress, heritage, historic, historical, history, landmark, medieval, merlon, monument, night, old, outdoor, protection, rampart, sky, spain, stonewall, tourism, tower, town, travel, wall,