Ключевые слова: active, alone, athlete, body, cold, day, dive, effort, exercise, extreme, forest, frost, frozen, health, health care, healthy, hole, ice, ice hole, lake, lean, male, man, muscle, muscular, naked, one, outdoor, plunge, pond, ready, recreational, season, sky, snow, split, splitted, strength, strong, surface, swimmer, therapy, training, underwater, water, winter, young,