post-apocalyptic Las Vegas, hidden weapons, rusted firearms, secret armory, underground bunker, dusty environment, scattered ammunition, dim lighting, wide-angle shot, steel safes, old military crates, cobwebs, survival gear, gas masks, leather holsters, vintage grenades, tarnished metal textures, worn-out combat boots, cracked concrete floor, eerie shadows, ambient occlusion, desolate atmosphere, 3/4 view, detailed textures, grunge aesthetic.