Ключевые слова: blue, boat, boating, canal, capital, city, europe, european, germany, green, havel, holiday, home, house, houseboat, jump, lake, landmark, landscape, living, nature, old, outdoor, picnic, plants, potsdam, river, scene, sky, street, tourism, traditional, transportation, travel, union, urban, vacation, view, water, waterway, wood, wooden,