Ключевые слова: activity, adolescent, agile, agility, airborne, alone, anticipation, athletic, beautiful, boots, cement, child, childhood, countryside, enjoyment, exercise, fitness, fun, girl, happy, healthy, jump, leisure, lifestyle, longhaired, midair, outdoors, park, person, ramp, recreation, relaxation, rollerskater, rollerskating, safety, skater, skating, slope, sport, sporty, summer, sunshine, teenager, wall,