Ключевые слова: 2017, action, active, adult, adventure, athlete, bicycle, bike, biking, caucasian, climbs, competition, crosscountry, cycle, cycling, cyclist, extreme, forest, green, healthy, helmet, hill, landscape, long, male, man, mountain, mountainbike, mountainbiker, nature, one, outdoor, race, ride, rider, riding, sport, sports, summer, track, trail, trees, uphill, walk, woods,