Ключевые слова: activity, adventure, autumn, bicycle, blue, case, cheerfulness, child, childhood, cycling, day, discovery, energy, environment, exercise, exploration, family, freedom, fun, happiness, helmet, jacket, joy, joyfulness, landscape, leaves, leisure, motion, nature, orange, outdoor, park, picturesque, play, riding, rural, scenic, season, seasonal, similar, sports, sunlight, sunny, tranquility, trees, trek, vibrant, warm, yellow, young, youth,