Ключевые слова: action, adult, adventure, athlete, bicycle, bicycling, bicyclist, bike, biker, biking, blue, boy, caucasian, competition, competitive, crosscountry, cycle, cyclist, downhill, equipment, extreme, fast, fun, guy, helmet, hill, lifestyle, male, man, motion, mountain, moving, mtb, one, outdoor, outdoors, outside, person, race, recreation, rider, rock, shot, sky, speed, sport, stone, trail, vehicle, young,