Ключевые слова: architecture, background, beautiful, blue, buildings, city, cloudy, coa, countryside, douro, europe, field, garden, green, hiking, hill, hills, house, landscape, mountain, nature, north, northern, northern region, ocean, outdoor, outdoors, panorama, panoramic, plant, port, portugal, river, road, rock, scenic, sky, summer, tourism, town, traditional, travel, tree, valley, view, viewpoint, village, voyage, water, wine,