photorealistic neutral interior render preserve the existing space exactly same architecture same proportions same camera position same floor material and reflections same ceiling height same exposed metal duct preserve the long continuous blue banquette sofa along the wall preserve all dining tables in the same position and quantity with bare tabletops and no table styling remove all decorative elements no mirrors no wall sconces no pendant lights no ceiling lights no chairs no loose furniture no artwork no plants walls must be plain continuous plaster clean and neutral without any objects empty minimal neutral architectural interior clean lighting realistic shadows professional architectural photography do not add any new elements do not redesign the space