Ключевые слова: agriculture, business, climb, cottage, crop, cropping, douro, drink, dry, export, farm, farmer, farming, foliage, grape, green, grow, growing, harvesting, harvests, hills, industry, landscape, local, mirror, nature, pattern, picturesque, port, porto, portugal, production, rio, river, rural, shed, sky, slope, sloping, step, terrace, terraced, trees, valley, vine, vineyard, vintage, wall, water, wine, world,