Produce photo-real film-like photograph of a serene sunlit forest river surrounded by tall slender ancient trees, dense lively green canopy high overhead, powerful golden sunlight dramatically piercing through the leaves in long visible natural god rays streaming down onto the calm water, smooth reflective river surface mirroring the trees and light beams, lush green undergrowth and mossy rocks lining both banks, gentle natural mist suspended in the distance, warm natural illumination illuminating every detail, highly finely detailed lifelike textures on bark, leaves and water, peaceful and mystical atmosphere, 8k resolution, film-like nature photography masterpiece