aerial view of the guindais funicular going up the rails of the hill with its picturesque houses and tourists sitting on the

attraction bar terrace buildings cable car railway carriage cityscape colorful downtown elevator fortification funicular guindais gorge hill historic neighbour houses old town oporto panorama porto portugal portuguese rail railroad track restaurant ribeira roofs rooftop sightseeing staircase tourism tourist tourists eating train tram tramway transport transportation travel twilight urban view walls aerial going rails its picturesque sitting