Focus stream's large, smooth stones, with water cascading gently over them, catching moonlight. forest tall, lush trees with understated fresh grass. moss green patches on some stones, giving a feel of age and nature. lighting dimmed moonlight, making the night pronounced yet clear, highlighting the water's flow. ambience few soft blue-turquoise fireflies around, not overpowering. ensure the night feels deep, with the stream and stones as the mesmerizing centerpiece.