improve the realism of the provided interior render while strictly preserving the original composition and architectural intent strict rules must follow do not change camera framing proportions or geometry do not add any new elements do not introduce new curtains or fabrics use only existing elements from the original image preserve the exact layout and design the space is a symmetrical historic hall with white plaster walls and ceiling fine matte mineral texture the floor is light terrazzo with subtle fine grain the central curved reception desk has a matte black finish with a brushed brass base slightly reflective not mirror like on both sides above the desk there are already existing white curtains these must not be redesigned or duplicated instead increase their realism and clarity improve fabric definition folds and translucency reduce excessive haze or blur ensure the curtain shape remains exactly the same enhance how light passes through the fabric soft translucency subtle shadows the curtains should still follow the curved geometry and rise upward in a wave like form but strictly based on the original geometry ceiling contains suspended light grey acoustic panels in parallel rows with soft fabric texture lighting realistic natural daylight from windows soft shadows and global illumination subtle light bounce no overexposure materials add micro imperfections slight roughness variation subtle dirt realistic reflections keep surfaces clean but not artificial style ultra realistic photorealistic architectural visualization high detail soft natural lighting 8k kl ov v ta kter to fixne do not add any new curtains only enhance the visibility and realism of the existing ones