Ships used to carry port wine, moored in Vila Nova de Gaia on the Douro River, with Ribeira in the background, 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 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 elevated view cityscape history historical historic heritage 19th century skyline mooring moorings moored