Ключевые слова: adventure, alpine, area, ascending, cold, dark, destination, devoid, electric, environment, explore, facilities, gauge, getaway, gray, holiday, known, landscapes, lines, mountain, mountainous, narrow, outdoor, part, peak, picturesque, pristine, railway, recreation, red, scene, serving, ski, skiing, slope, snow, snowy, striking, switzerland, system, tourism, track, train, transportation, travel, vacation, visual, white, winter, wintry,