Ключевые слова: active, activity, bicycle, bike, biker, biking, caucasian man, challenge, copy space, cycle, cycling, cyclist, environment, extreme, extreme sports, forest, freestyle, handsome, helmet, jump, jumping, leisure, male, mountain bike, mtb, outdoors, people, person, pines, place, rocks, rocky, skill, sport, sportsman, stunt, transport, transportation, trees, trial, trial biking, wood, young adult, youth,