Ключевые слова: active, activity, adult, alps, athlete, athletic, camp, carnival, challenge, competition, costume, countryside, cross country, determination, dirt, dirty, endurance, engelberg, equipment, exercise, exercises, fisherman, fitness, ground, happiness, hurdle, ironman, military camp, mountain, moving, nature, obstacle course, obstacles, off road, outdoors, run, runner, running, rural, smiling, sport, strength, strong, success, summer, switzerland, trail, vitality, water, wooden frame,