Ключевые слова: alpine, alps, beautiful, blue, electric, europe, european, grass, green, hill, journey, landscape, line, locomotive, modern, mountain, nature, outdoor, passenger, perspective, rail, railroad, railway, red, rural, sky, snow, spring, station, steep, summer, swiss, switzerland, tourism, tourist, touristic, track, train, transport, transportation, travel, trees, vacation, valley, view,