upgrade this bathroom by replacing all wall and floor tiles with large format 60x120 cm tiles use modern high end materials such as subtle stone or marble look porcelain with minimal veining and very thin grout lines keep the color palette warm neutral light beige soft grey or natural stone tones ensure the tiles appear continuous and elegant with fewer visible joints to create a seamless premium look maintain the exact layout structure and camera angle keep all fixtures modern and consistent the final result should feel like a high end contemporary bathroom renovation realistic and not ai generated tile joints must be minimal and aligned consistently to emphasize large slab surfaces use light travertine look tiles with soft texture