Ключевые слова: 34, active, activity, autumn, bicycle, bike, boys, brothers, caucasian, cheerful, child, childhood, cycle, cyclist, day, daytime, enjoying, fall, family, fit, foliage, friends, fun, funny, happy, having, healthy, helmet, helping, kids, little, male, outdoors, park, person, playing, preschool, put, safe, safety, siblings, smile, sports, training, twins, two, wheels, years, younger,