Ключевые слова: age, ancient, antique, architecture, belem, blue, castle, cityscape, cultural, culture, destinations, discovery, down, dusk, educational, engineering, estuary, europe, famous, fort, historic, history, human, landmark, light, lighthouse, lisbon, lisbonne, medieval, military, monument, old, organization, outdoors, place, portugal, protection, river, scientific, sight, sky, stone, sun, sunset, tagus, tourism, tower, traditional, travel, united, water,