narrow elongated bathroom interior brutalist luxury aesthetic raw board formed concrete walls with formwork impressions a frameless glass skylight set flush into thick concrete ceiling slab dramatic single overhead skylight beam of light polished black granite floor tiles with geometric grid pattern sculptural angular concrete vanity with undermount sink oversized matte black industrial fixtures exposed conduit and plumbing treated as design detail a single warm incandescent pendant bulb on black cable monumental and raw yet refined architectural photography 8k photorealistic render
