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, high-rise, building, photography, metropolis, landmass, stream, district, urban area, edifice, port, european country, sundown, urban center, tower, day, rectangle
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.