Ключевые слова: action, active, activity, balance, beautiful, bicycle, bicycling, bike, biker, boy, child, childhood, city, cycle, cyclist, day, first, fun, green, happiness, happy, healthy, helmet, kid, laufrad, leisure, lifestyle, little, male, one, outdoor, outdoors, outside, park, people, person, playful, ride, riding, road, safety, small, smiling, sport, spring, summer, tree, yellow, young, youth,