Ключевые слова: action, active, activity, adult, aged man, angle, autumn, balance, barefoot, barefooted, beard, bearded, day, environment, equilibrium, experienced, feet, forest, fun, harmony, health, healthy, legs, leisure, line, male, man, mature, nature, outdoor, park, recreation, rope, shoeless, sit, sitting, slack, slackline, slacklining, sport, stable, sun, sunset, tension, tightrope, tree, walk, webbing, while, wide,