Ключевые слова: acrobat, active, activity, adult, athlete, balance, balancing, cable, caucasian, concentration, confidence, determination, equilibrium, extreme, fit, fitness, fun, green, healthy, jump, jumping, leisure, line, madrid, man, mid adult, mid air, one person, outdoor, park, people, performance, person, recreation, rope, slack, slackline, slacklining, sport, sports, standing, summer, sunset, tight, tightrope, trees, trickline, walk, wellness, workout,