Ключевые слова: activity, adventure, air, athlete in action, athlete training, backflip, background, bicycle, bike, biker, biking, blue, bmx, bmx bike, contour, cycle, cycling, cyclist, dark, exercise, extreme, extreme sports, fitness, flight, flip, helmet, in the air, jump, jumping, lifestyle, male, man, outdoor, people, performing, race, recreation, ride, rider, risk, silhouette, sky, speed, sport, stunt, summer, sun, trick, wallpaper, wheel,