Ribeira district, UNESCO World Heritage Site, Porto (Oporto), Portugal, Europe

travel destination photography vertical colour image ribeira district unesco world heritage site porto oporto portugal europe outdoors day no people building exterior architecture urban scene low angle view unesco portuguese culture balcony residential building window in a row red pattern white railing colour image colour color image color outside tourist destination travel architectural nobody no one no one low angle from below looking up unesco world heritage site unesco world heritage sites world heritage site world heritage sites typically portuguese portuguese culture traditional culture tradition traditional traditionally portuguese