materials colors do not change materials do not change colors keep the existing material palette exactly keep the existing color palette exactly background do not change the background keep the existing view exactly do not make any changes to the landscape sky or surroundings textures render all existing textures significantly higher quality and more realistic create more material depth and micro details use high resolution pbr textures render natural stone glass metal wood and plaster more realistically create high quality surface structures and material transitions do not use flat or artificially looking cgi textures realism ultra realistic 4k high end architectural visualization rendering create maximum sharpness and detail depth render realistic reflections refractions and shadows use high quality global illumination make it look like a professional final corona renderer v ray rendering very important do not change architecture do not change geometry do not change furnishing only improve texture quality material realism and rendering quality absolutely do not change anything else