Ключевые слова: activity, adventure, balance, bicycle, cheerful, child, childhood, clouds, cycling, day, energetic, enjoyment, excitement, exercise, fitness, freedom, fresh, fun, growth, happiness, healthy, helmet, hobby, joyful, landscape, lively, motion, nature, outdoor, park, pedal, playful, practice, protection, recreation, riding, road, safety gear, sky, smiling, sport, sunny, training, transportation, trees, youth,