Ключевые слова: activity, autumn, autumn leaves, autumn scenery, autumnal, autumnal activity, autumnal joy, border collie, border collie breed, canine, canine companion, canine happiness, dog, dog breed, dog playing, energetic, fall foliage, fall season, foliage, fourlegged friend, furry friend, joyful, leaf pile, leafchasing, leafy, leafy adventure, leafy exploration, leafy playground, leaves, maple leaves, nature, outdoor fun, outdoors, park, pet, playful, playing, seasonal, seasonal playtime, vibrant colors,