City Inside the Mountain.

15-second photoreal cinematic subterranean revelation. Title: “City Inside the Mountain.” Style: photoreal, epic, mysterious, awe-filled, premium cinematic realism. Core concept: the outside of the mountain is dark, sealed, ancient, and silent. The inside is alive: a vast hidden cavern city filled with thousands of lights, layered bridges, suspended walkways, towers, terraces, vertical depth, drifting atmosphere, and glowing life. Continuity: same mountain, same hidden city, same bridge logic, same light logic, same architecture language, same forward movement direction throughout the clip. The sequence must feel like one continuous discovery. No redesign, no jumps, no repeated action. Scene flow: 00:00–00:02 extreme wide establishing shot. A colossal mountain massif under a dark stormy sky. No visible openings. The exterior is harsh, cold, silent, and secretive. 00:02–00:04 smooth forward glide toward the rocky mountain face. Surface detail becomes larger and more imposing. Tension builds. 00:04–00:06 the camera penetrates a fractured rock seam and passes through the mountain shell. Pebbles, dust, and debris break loose. Darkness transitions into a warm internal glow ahead. 00:06–00:08 first major reveal. The camera emerges into a gigantic hollow cavern. A luminous hidden city spans the abyss. Thousands of lights, bridges, terraces, towers, and layered districts appear across immense vertical depth. 00:08–00:10 move deeper into the city. Glide along suspended bridge networks and hanging pathways. Pass close to architectural details, lantern-like lights, railings, stone-and-metal structures, and signs of life. 00:10–00:13 grand scale reveal. Pull back and rise to reveal the full subterranean ecosystem: multiple districts, bridges, water channels, mist, vertical shafts, terraces, and a vast cavern dome. 00:13–00:15 final heroic hold. A majestic wide composition of the entire hidden city inside the mountain. Alive, luminous, breathtaking. Hold for awe. Camera: controlled cinematic movement only. Wide locked establishing, smooth forward glide, rock push-through transition, wide reveal, bridge-level tracking, pullback with crane rise, final static hero hold. No shaky cam, no random spins, no chaotic motion. Motion and physics: believable rock transit, realistic dust and falling pebbles, volumetric atmosphere, subtle environmental movement, distant city activity, natural drifting mist and particles. Lighting and look: exterior is obsidian black, granite grey, cold moonlit blue. Interior uses warm lantern gold, ember amber, and living cyan. Strong contrast between dead outer shell and vibrant inner world. Heavy volumetric lighting, atmospheric dust, deep parallax, light bloom used with restraint. Audio: Clean cinematic audio, distant wind outside, low rumble during approach, rock fracture transit, reveal swell, cavern resonance, subtle city hum, distant water and bells/chimes, final sustained awe tone. No distortion. Negative: no modern cars, no sci-fi spacecraft, no daylight exterior, no face close-ups, no futuristic hologram overload, no random architecture changes, no repeated reveal, no blur abuse, no compression artifacts. Minimum 8K quality, ultra sharp, high detail, clean textures, stable geometry, no blur, no compression artifacts.