Ключевые слова: action, active, activity, baby, balance, bicycle, bicycling, bike, boy, caucasian, child, childhood, colors, cycle, cyclist, exercise, fun, grass, happy, healthy, kid, learn, leisure, lifestyle, little, nature, outdoor, outside, park, person, play, playing, protection, recreation, ride, road, run, running, safe, smile, son, sport, spring, summer, sunny, toddler, tree, young,