Produce photo-real film-like photograph of a sun-drenched forest river flowing through a natural tunnel of tall trees, dense green canopy overhead creating a cathedral-like enclosure, powerful golden sunlight breaking through in spectacular natural god rays that light up the entire river, calm reflective water mirroring the portrait image-oriented trunks and light beams, lush green undergrowth and rocky banks on both sides, gentle atmospheric mist adding depth, warm natural illumination, highly finely detailed lifelike textures, peaceful and awe-inspiring mood, 8k resolution, film-like nature photography