do not change any colors or materials very important keep the entire color palette exactly as is keep all existing materials exactly as is do not perform any color corrections do not replace any materials only significantly improve quality and realism textures render all textures significantly more realistic and high quality create more depth micro details and material sharpness depict stone wood metal glass and fabrics physically accurately integrate high quality reflections surface structure and material depth do not create flat or artificially looking surfaces kitchen execute the kitchen island in high quality dark brown marble create a luxurious natural stone texture with fine grain display high quality reflections and realistic material depth courtyard design the courtyard with fine small round gravel create high quality natural gravel texture make it appear calm elegant and architectural do not use large stones or piles of stones very important do not change the background outside the windows keep the existing view exactly as is do not replace landscapes do not create new backgrounds realism ultra realistic 4k 8k high end archviz rendering very sharp details and high quality material representation make it look like a professional final corona renderer v ray rendering very important do not change architecture geometry framing or view do not move any furniture only improve texture quality material realism and level of detail