Ключевые слова: adventure, architecture, bridge built structure, city, city life, cultures, day, douro river, europe, exploration, famous place, history, iberian peninsula, idyllic, journey, landscape scenery, multi colored, nautical vessel, old, old town, outdoors, overcast, porto portugal, portugal, portuguese culture, reflection, river, sailing, scenics nature, sky, tourism, tourist, town, tradition, transportation, travel, travel destinations, urban skyline, vacations, vila nova de gaia, water, waterfront,