Ключевые слова: athlete, challenging, closeup, country, cropped, cross, dirt, endurance, exercising, extreme, fitness, foot, footpath, forest roads, healthy, human, knee socks, leg, male, men, motion, mountain, nature, off, outdoor, path, pathway, people, person, road, rocky, run, rural, section, selective, shoes, sport, stone, terrain, trail, training, workout, young,