Ключевые слова: adventure, air, aircraft, alpine, alps, altitude, aviation, below, blue, chopper, dangerous, flight, fly, flying, frozen, glacier, height, heli ski, heli skiing, helicopter, high, holiday, landscape, mountain, mountains, natures, outdoor, peak, rescue, rock, rocky, rocky wall, rotor, scenic, small, snow, spectacular, sport, top, tourism, transportation, travel, valley, view, walls, white, winter,