Ключевые слова: active, adult, bicycle, bike, boy, care, casual, caucasian, child, childhood, concept, cycle, dad, family, father, fitness, fun, happy, healthy, helmet, jeans, kid, learning, leisure, lifestyle, little, male, man, nature, outdoor, outside, parent, park, people, rest, riding, road, safety, side, smiling, son, sport, summer, teaching, training, tree, two, urban, weekend, young,