Produce photo-real film-like photograph of a tranquil sunlit forest river gently bending through tall ancient woodland, slender trees forming a natural cathedral with dense green canopy, film-like golden sunlight creating powerful visible natural god rays that illuminate the water like spotlights, perfect reflections of trees and light beams on the smooth surface, lush undergrowth and moss-covered rocks along the curve, warm natural illumination, highly finely detailed lifelike textures, peaceful and majestic mood, 8k resolution, film-like nature photography masterpiece