Preview Bridge Ponte Dom Louis I, City Porto (Oporto) at Rio Douro. The old town is listed as UNESCO world heritage. Portugal, Europe Image ID: 746-89055 Artist: Enrico Spanu Purchase a commercial license Buy framed prints & more from our print store boat bridge cityscape dawn dom luis douro heritage night old town oporto popular porto portugal portuguese ribeira river scene scenic site subway sunset traditional typical unesco vertical world heritage site wrought iron
