View of Dom Luis I Bridge over Douro River and Vila Nova de Gaia waterfront with Porto wine ships and Ribeira view, 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 vila nova de gaia quayside waterfront wine ship boats transportation transport tradition traditional 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 blue sky