abandoned BoS bunker, Fallout New Vegas theme, rusty metal textures, old military equipment, scattered papers, dim lighting, eerie shadows, dust particles in air, cobwebs, cracked concrete, desert outside, sparse vegetation, sunset glow, wide-angle shot, desolate atmosphere, post-apocalyptic, worn Brotherhood of Steel insignia, scattered energy cells, empty shelves, broken terminals, ambient occlusion, 3/4 view, HDR lighting, detailed textures, atmospheric perspective.