Ключевые слова: ancient, antique, architectural, architecture, battlements, belem, belem tower, belen, blue, boat, bridge, built, castle, culture, defense, europe, fort, fortification, fortress, gothic, heritage, historic, historical, history, landmark, lighthouse, lisboa, lisbon, medieval, monument, old, outdoors, portugal, portuguese, prison, sea, ship, sky, stone, structure, tagus, torre, tourism, tower, traditional, travel, unesco, water, world,