Ключевые слова: action, active, alone, athlete, backpack, bicycle, bike, biker, biking, bmx, cardio, caucasian, challenge, crop, cropped image, cycle, cyclist, extreme, forest, freestyle, handsome, helmet, leisure activity, male, man, mountain bike, mtb, nature, outdoors, people, perform, person, protective, ride, rider, rucksack, safety, sport, sportive, sportsman, sporty, stunt, transport, transportation, trees, trial biking, young adult,