Ключевые слова: 25, abril, architecture, bridge, building, castelo, castle, center, city, cityscape, cloudy, construction, downtown, engineering, exterior, famous, fort, fortification, fortress, green, hanging, hill, holiday, house, jorge, keep, lisboa, lisbon, medieval, metropolis, outdoor, panorama, panoramic, ponte, portugal, portuguese, river, sky, street, stronghold, suspension, tagus, tourism, town, travel, trip, urban, vacation, walls, water,