Ключевые слова: adult, alone, authentic, bicycle, bike, biking, bmx, candid, casual, caucasian, confident, copyspace, cycle, cycling, cyclist, day, exercise, fit, fitness, guy, health, healthy, hobby, informal, lifestyle, looking, male, man, men, motocross, mountain, mountain bike, mountain biking, natural, nature, outdoor, outdoors, outside, people, person, real, recreation, ride, riding, sport, sports, summer, sun, training, young,