A realistic photograph of a white tiled wall in a modern building. Mounted on the wall is a large glowing advertising billboard with an empty space in the center for custom content. The billboard emits a soft, bright light, contrasting with the clean, sleek surface of the white tiles. The modern architectural elements of the space, like metal or glass accents, are visible in the background, enhancing the contemporary atmosphere. The overall composition is framed for a large, high-resolution stock photo, with ample space around the billboard for versatility in usage. Realistic photography, modern architecture, glowing billboard, clean white tiles --ar 16:9 --q 2 --s 750