Ключевые слова: architecture, attraction, building, cable, carriage, city, colorful, daytime, dos, europe, european, funicular, guindais, hill, historic, houses, landscape, line, metro, mountain, old, oldest, oporto, palms, palmtree, passenger, porto, portugal, portuguese, public, railway, retro, road, sea, summer, sunny, tourism, tourist, town, train, transport, transportation, travel, urban, vertical, view, vintage,