Ключевые слова: acrobatics, action, activity, aerial, air, athlete, bike, competition, danger, dangerous, daredevil, extreme, fast, festival, flight, formula, freedom, freestyle, height, high, jump, man, motion, moto, motocross, motofristayler, motor, motorcycle, outdoor, performs, person, power, ride, rider, risk, show, sky, snowmobile, speed, sport, sports, strong, stunt, stunts, summer, transportation,