Ключевые слова: agriculture, autumn, color, countryside, cultural heritage, culture, douro, douro river, douro valley, duero, environment, farm, farmhouse, field, fog, grape, green, harvest, hill, landscape, mountain, natural, nature, outdoor, plantation, port, port wine, portugal, river, rural, scenery, scenic, season, sky, tourism, travel, valley, village, vine, vineyard, vineyards, viniculture, viticulture, water, wine, wine region, winery,