View of Dom Luis I bridge over Douro River and Ribeira view with traditional buildings and Funicular of Guindais, Porto, Portugal, Europe

photography colour colour image color color image horizontal horizontal image outdoors outside day background people incidental people people in the background travel travel destination travel destinations city cities douro river dom luis i bridge funicular of guindais quayside waterfront ribeira porto portugal portuguese europe european building exterior building buildings architecture architectural urban scene urban scenes urban river water landmark landmarks famous well known well known bridge diminishing perspective vanishing point perspective elevated view high angle view high angle cityscape arch arches arched metal bridge history historical historic heritage 19th century