Ключевые слова: aerial, alberdingk, ancient, boat, boley, castor, citykrefeld, container, crefeld, duisburg, germany, harbor, harbour, historic, historical, illuminated, innerharbor, krefeld, lineseed, lineseedoil, linn, lowerrhinearea, muendelheim, northrhinewestphalia, nrw, oil, port, rhein, rhinebridge, river, riverrhine, ship, shipping, ships, sight, touristattraction, tranquil, uerdingen, water, waterreflection, watersurface,