Ключевые слова: action, active, activity, adrenaline, adventure, athlete, bicycle, bicyclist, bike, biker, biking, bmx, boy, caucasian, competition, cycle, cyclist, exercise, extreme, flight, fly, freestyle, helmet, high, hobby, jump, leisure, lifestyle, male, man, motion, moving, outdoor, outside, people, person, race, ramp, recreation, ride, rider, riding, risk, speed, sport, stunt, trick, wheel, young, youth,