Ключевые слова: age, ancient, antique, architecture, beautiful, belem, blue, castle, cityscape, cultural, culture, destinations, discovery, educational, estuary, europe, famous, fort, historic, history, landmark, lisbon, medieval, military, monument, nations, old, outdoors, place, portugal, protection, river, scientific, sky, stone, tagus, tourism, tower, traditional, travel, united, water,