Ключевые слова: architecture, attraction, beautiful, beauty, billboard, boat, bridge, building, calm down, childfriendly, city, clouds, contemporary, culture, destination, douro river, elegant, exciting, harbor, heritage, history, landmark, landscape, minimal, modern, nature, office, orange, peaceful, picturesque, port wine, portugal, public, quiet, rabelo, river, scenic, serene, ship, structure, tourism, traditional, tranquility, transportation, travel, urban, vessel, water, wine,