Ключевые слова: 20s, activity, adventure, adventurer, adventuring, athletic, bicycle, bike, biking, blue sky, caucasian, challenge, chronometer, countryside, cross country, cycling, environment, equipment, exercise, exercising, exploration, fit, fitness, hand, healthy, helmet, holding, leisure, lifestyle, looking up, male, man, measure, mountain, mountain bike, nature, outdoorsy, part of, recreation, riding, rock, scenic, sport, sportsman, summer, summertime, sunny, sunshine, timer, trail, uphill, wilderness, woman,