Ключевые слова: architecture, attraction, beautiful, boat, bridge, building, calm, city, clouds, color, contemporary, culture, dawn, destination, douro river, dusk, elegant, exciting, fun, harbor, heritage, historic, history, landmark, landscape, minimal, modern, nature, outdoor, peaceful, picturesque, port, porto, portugal, public, quiet, river, scenic, serene, ship, structure, sunrise, sunset, tourism, traditional, tranquility, travel, urban, water, yellow,