europe, portugal, porto, city, european city, ribeira, old town, old city, square, landmark, river, douro, douro river, transport, ship, boat, tour, boat tour, porto cruz, porto wine, tourist boat, Portugal, dress, woman, standing, black, daytime, daylight, clothing, port, landmass, stream, district, travel, european country, vehicle, rectangle, metropolis, transportation, urban area, journey, urban center, adult, day, person, craft, apparel, clothes