Ключевые слова: action, active, activity, adventure, background, balance, bridge, business, challenge, climb, climbing, concept, difficult, difficulty, entertainment, equipment, exercise, extreme, fitness, fun, grip, gym, hang, healthy, high, indoor, indoors, leisure, mast, metaphore, netherlands, park, people, platform, play, playground, pole, problem, recreational, rock, rope, safety, sport, struggle, survival, training, wall, wood, wooden,