Ключевые слова: ancient, architecture, avila, avila de los caballeros, building, castile, castilla, castle, city, column, cross, europe, famous, fort, fortress, gothic, heritage, historic, historical, history, landmark, leon, medieval, mirador, monarchs, monument, old, post, religion, roman, sanctuary, site, spain, spanish, stone, the four post, tourism, tower, town, travel, unesco, view, wall, world heritage,