Hilly landscape on the Douro River, Douro Valley, Porto Region, Portugal, Europe

alleys alley buildings building cultural landscapes cultural landscape deserted douro valley douro duero empty europe hills hilly countryside hilly landscapes hilly landscape hilly hill house facades landscapes landscape localities locality narrow nobody no one no people portugal portuguese rio douro river rio douro riverine landscape river landscapes river landscape river scenery rivers river row of houses rows of houses scenery southern europe south europe townscapes townscape travel photography travel uninhabited water