a beautiful detailed photo of a river valley, in the center of the valley a forest, autumn leaves in orange and red and yellow, in the center of the forest a river, a river starts from the lake, craggy mountains in the background, at sunset, the sun sets behind the mountains, the sun reflects on the river, photorealistic, RAW, photograph, ultrahighres, 4k, high detail, detailed foilage, detailed leaves, detailed ground