underground laboratory 3d model

Ultra realistic AAA underground rectangular biological research facility 3D environment. A fully explorable interior, not an exterior model. Large underground bunker with long corridors and many connected rooms: creature containment chambers, mutant animal testing labs, medical rooms, research labs, control rooms, security areas, offices, storage and maintenance tunnels. Abandoned after failed experiments on mutated animals and monsters. Include broken glass tanks, cages, biohazard equipment, computers, cables, pipes, research papers, damaged machines, rust, cracked concrete, dust, water leaks, blood stains and organic growth. Dark horror atmosphere with emergency red lights, fog and realistic shadows. Photorealistic AAA graphics, Unreal Engine 5 quality, PBR materials, high detail architecture, realistic scale, walkable game environment, FBX. No cartoon, no low poly, no simple exterior-only model.