europe, portugal, porto, city, european city, ribeira, old town, old city, square, landmark, river, douro, douro river, bridge, ponte, ponte de dom luis, dom luis, evening, sunset, brown, concrete, water, body, daytime, metropolis, landmass, stream, district, urban area, port, building material, daylight, european country, paving, urban center, day, rectangle, sundown
the Ponte de Dom Luis 1 at the old town on the Douro River in Ribeira in the city centre of Porto in Porugal in Europe.