Ключевые слова: active, activity, adventure, boy, brave, child, childhood, clambering, climbing, course, danger, day, entertainment, equipment, extreme, forest, fun, happy, harness, healthy, height, helmet, kid, kids, leisure, lifestyle, line, little, moving, nature, outdoor, park, people, play, playground, risk, rope, ropes, safety, school, security, skill, sport, strength, summer, tree, treetop, up, young, zip,