vertical 9:16, photorealistic fantasy landscape, view looking out from a dark cave opening, a dirt trail stretching forward, valley filled with giant umbrella-shaped mushrooms, huge layered mushroom caps with realistic texture, lush green grass growing at mushroom bases. bright deep blue sky above with fluffy white clouds, sunlight illuminating mushroom surfaces, rich light and shadow. foreground cave rock is blurred, giant mushroom colony in midground stays sharp, cinematic depth of field, natural daylight, 8k, photo-realism, grand peaceful alien world scene