Ключевые слова: architecture, berlin, blue, board, boat, city, cityscape, cruise, day, embankment, empty, europe, european, germany, guide, harbor, historic, image, industry, landmark, leisure, nautical, outdoor, passenger, people, port wine, river, scene, scenery, ship, spree, summer, ticket, top, tour, tourism, tourist, transportation, travel, vacation, view, visit, water,