Outdoors, Plant, Vegetation, Mountain, Slope, Scenery, Landscape, Tree, Flower, Blossom, Land, europe, portugal, porto, douro, douro valley, douro river, valley, portugal river, rio, rio douro, alpendurada, landscape, nature, view, river, scenery, city, landmass, stream, district, urban area, vicinity, rio de janeiro, european country, port