und3rw4t3r c1ty, photorealistic cinematic still of the engine hall, steep elevated view from the highest gantry onto giant pistons and interlocking machinery, colossal pistons and flywheels in sharp stillness, steel catwalks spanning a glowing machinery pit, hanging chains and steam, steel catwalk grilles above the machinery pit, red and amber furnace light from below, red and amber palette, art-deco underwater city, geometric brasswork, black marble and brass architectural accents, warm golden windows against deep blue water, riveted steel, drifting bubbles outside sealed ocean glass, photorealistic cinematic rendering, medium depth of field, filmic gold-against-abyss color grading, sublime deserted dieselpunk grandeur

worst quality, low quality, deformed, bad anatomy, bad hand, blurry, (watermark), artist signature, artist name