An underground cave city: white habitat pods in rock walls, warm windows, bridges with tiny figures and sunbeams from a ceiling opening

Prompt

Cinematic wide shot of a vast underground cave city with white modular habitat pods built into rocky canyon walls, warm glowing windows, a river walking the cave floor, thin pedestrian bridges with tiny figures crossing, dramatic sunbeams pouring from a circular opening in the stone ceiling, soft mist in the air, hopeful sci-fi architecture, photoreal detail, quiet and luminous