diesel engine, rusty texture, metallic surface, abandoned bunker, dark atmosphere, dim lighting, pipes and gauges, old machinery, cobwebs, dripping water, eerie shadows, wide-angle shot, underground setting, concrete walls, survival horror theme, immersive environment, desolate vibe, cold steel colors, high contrast, flickering lights, steam punk elements, industrial design, claustrophobic space, 3/4 view, detailed mechanical parts, grunge aesthetic, oil stains, immersive detail, ambient occlusion, volumetric lighting.