Ключевые слова: active, adult, athlete, caucasian, clothes, cold, competition, exercise, falling, fit, fitness, forest, frost, health, jogger, jogging, lifestyle, male, man, marathon, motion, nature, one, outdoor, park, person, pine, race, real, run, runner, running, shoes, snow, snowfall, snowy, sport, trail, training, white, winter, woods, young,