Ключевые слова: activity, air, athlete, bicycle, bike, biker, biking, blur, blurred, blurry, bmx, body, city, cycling, danger, dangerous, enjoyment, excitement, exercise, extreme, fast, fitness, high, hobby, leisure, lifestyle, men, metal, motion, outdoor, people, protection, ride, risk, single, sport, sports, sprocket, street, stunt, summer, sunlight, teenager, tire, trick, wheel, young, youth,