aerial view of funicular dos guindais and picturesque houses, bar terraces and tiled roofs in the historic center of the city of

attraction bridge building buildings cable car railway carriage city cityscape colorful downtown elevator europe fortification funicular guindais hill historic neighbour houses old town oporto panorama porto portugal portuguese rail railroad track ribeira roofs rooftop sightseeing tourism tourist train tram tramway transport transportation travel twilight urban view walls aerial picturesque bar terraces tiled center