preserve the existing architecture geometry proportions spatial layout furniture objects materials colours openings lighting positions and camera composition exactly as shown focus only on improving photorealism and material quality enhance realistic material textures fine surface detail accurate roughness subtle micro bump realistic reflections natural glass physically accurate light response soft indirect bounce light realistic shadows and ambient occlusion maintain the original material colours and design intent add subtle natural imperfections and variation to surfaces so they feel physically real rather than perfectly cgi keep the existing enscape lighting sources and their positions improve their realism and light behaviour without redesigning the lighting photorealistic architectural photography realistic exposure natural contrast accurate colour balance and believable material response do not redesign remodel rearrange or add anything do not change the camera angle or composition do not introduce new furniture fixtures decorations or architectural elements