navigation on the douro river, in the background the luis i bridge, one of the s of the city of porto in portugal

portugal world heritage site porto colourful ribeira unesco portuguese culture oporto douro river national monument estuary scenic panorama downtown vessel district iberian peninsulas global city atlantic ocean wine camino santiago commercial port europe harbor colorful boats photography dom luis bridge postcard scenery glow oldfashioned multicolored tradition tourist luiz skyline famous multi tile window portogallo grande norte our lady vendaacute turismo turistica storic composition navigation background one symbols