Ключевые слова: active, activity, adventure, alone, background, bicycle, bicyclist, bike, biking, boy, child, childhood, children, cycle, cycling, cyclist, dark, exercise, fun, happy, healthy, kid, learn, leisure, lifestyle, little, low light, nature, night, outdoor, outdoors, outside, park, people, person, preschool, recreation, reflection, rescue, ride, safety, silhouette, sport, summer, sun, sunset, travel, vacation, water, young,