Evening view of tourist boats on the Douro River looking towards Vila Nova de Gaia and Porto wine shops, Porto, Portugal, Europe

travel destination photography vertical colour image europe boat transportation tourism portugal douro river river vila nova de gaia porto water outdoors building exterior architecture day portuguese culture clear sky blue reflection red moored sunlight town side view full length men women large group of people waterfront colour color image color outside tourist destination travel architectural group reflecting reflected transport typically portuguese traditional culture tradition traditional traditionally portuguese european