Ключевые слова: 35th, adventure, aerial, air, annual, aviation, balloon, ballooning, balloons, basket, bright, chateau, clouds, color, colorful, colors, colourful, festival, flight, float, fly, flying, fun, heat, high, hot, inflate, international, lift, oex, ride, sky, snow, soar, sport, switzerland, transport, travel, up, vaud, winter,