Ключевые слова: 2019, active, adult, athlete, cold, competition, exercise, falling, feet, female, foot, forest, frost, group, jogger, jogging, legs, male, man, marathon, men, motion, nature, outdoor, park, people, person, race, real, road, run, runner, running, shoes, snow, snowfall, snowy, sport, trail, training, white, winter, woman, women,