View of Porto city and Douro river and Dom Luis bridge I with metro tram from famous tourist viewpoint Miradouro da Serra do Pilar. Porto, Vila Nova de Gaia, Portugal, Europe

catedral church building district of porto distrito do porto dom douro douro river downtown duero europe europe's famous place historic district historic quarter inner city inner town klosterkirche metro monastery no people northern portugal old town area overlook porto porto district portugal portuguese rio douro rio douro river serra do pilar south europe southern europe stadtbahn town centre tramway u bahn unesco unesco world heritage unesco world heritage site unesco site unesco world site view over the city view over the town vila nova de gaia world heritage world heritage site abbey architecture attraction boat bridge building cathedral church city city center city centre city portrait city railway city scape city traffic city view cityscape cloister cloister church construction convent church deserted empty european facing famed famous former gazes harbor harbour historic historic center historic centre historic city center historic city centre historic old town historical historical old town landmark local traffic local transport look look at look out looking out looks into metro midtown monastery monastery church monastery complex municipal no one nobody observation point observe old old city old district old town overlook overview passenger traffic passenger transport picturesque picturesquely place of interest pleasure boat point of view port public transport public transportation rail traffic religious building renowned river road road traffic road transport sacral building sacred building sailboat sailing boat sailing ship sailing vessel scenic ship short range public transportation short range transit sight skyline sport boat station street street traffic streetcar structure subway tourism tourist attraction tourist landmark tourist spot touristic touristical town town center town view townscape