maintain the exact scene composition camera angle proportions layout furniture cabinetry color and all elements unchanged modify only the kitchen countertop replace the current countertop material with natural travertine stone the travertine should have a light beige tone with subtle warm variations featuring realistic veining small pores and natural imperfections typical of the material use a honed or matte finish not polished ensuring the surface reflects light softly without gloss or shine the material must appear deep and tactile avoiding flat or repetitive textures ensure proper scale of the stone pattern relative to the countertop preserve existing lighting but ensure the travertine interacts naturally with light showing soft shadows and slight tonal variation across the surface avoid any cgi or artificial look the result should be a highly photorealistic render with natural material definition
