playful border collie dogs running joyfully across a verdant meadow

playful border collie dogs running joyfully meadow tails wagging delight frolic energetic grassy canines sunny outdoor vibrant lively bounding blissful pups merriment prancing green frolicsome frolicking exuberance carefree exultant jubilant zestful romping gambol gamboling merrily frolicsomely