europe, portugal, porto, city, european city, ribeira, old town, old city, square, landmark, river, douro, douro river, evening, sunset, riverside, boat, brown, slope, metropolis, landmass, stream, district, urban area, day, port, craft, european country, bank, vehicle, urban center, riverbank, rectangle, sundown
the Douro River in Ribeira in the city centre of Porto in Porugal in Europe.