Ключевые слова: air, altitude, area, austria, border, climate, constance, countryside, delta, destination, discover, domestic, elevation, enjoy, environment, excursion, exercise, explore, fascinating, flight, freedom, fun, heavenly, hobby, idyllic, impressive, lake, landscape, majestic, memory, panorama, passenger, pilot, plane, propeller, region, rhine, river, scenery, season, sight, sky, small, spotting, stunning, switzerland, travel, trip, view, weather,