Ключевые слова: alps, beautiful, blue, boat, boating, destination, europe, famous, history, holiday, lake, landmark, landscape, leisure, lucerne, luzern, nature, nautical, ocean, old, outdoor, park, people, pilatus, recreation, reuss, river, sail, sailboat, sailor, ship, sky, sport, success, summer, swiss, switzerland, tourism, tourist, transportation, travel, vacation, vessel, water, white, wind, yacht, yachting,