use the provided image as the exact base image and preserve the existing design with maximum geometric and visual fidelity do not redesign recompose restyle or modify the architectural space the final image must remain almost identical to the reference image in camera position camera angle perspective field of view framing and crop room proportions wall positions ceiling height floor geometry niche dimensions and position wc position and proportions concealed cistern wall shelves inside the niche planter dimensions shape and position window dimensions position and exact design window frame reveals and opening all architectural edges and junctions sanitary fixture positions flush plate toilet paper holder plants and planter arrangement absolutely do not change the window keep the window exactly as shown in the reference image including its size frame proportions opening position and architectural detailing material accuracy is critical 1 the slab surface inside the niche use the exact visual character of ariostea ultra marmi collemandina collemandina is a deep intense grey marble effect porcelain slab with subtle ethereal light veining reproduce the real material appearance accurately including its grey tone natural veining texture scale and realistic surface response do not invent a different marble beige marble or generic stone do not exaggerate the veins 2 the other large stone surface use portland as the material for the large surrounding wall floor surfaces exactly as indicated in the reference keep the portland material light warm natural and stone like with subtle variation and realistic texture do not replace it with marble concrete travertine or another material 3 wood keep the existing light natural wood appearance on the vertical wc cabinet panel and planter preserve the same tone grain direction proportions and geometry 4 metal sanitary elements keep all existing sanitary fixtures flush plate toilet paper holder and other visible elements exactly where they are do not add or remove objects 5 plants keep the existing ornamental grass planting inside the large planter preserve the number general distribution height and position of the plants only improve realism and material quality lighting keep the existing lighting concept and overall illumination create a realistic architectural visualization with soft natural physically plausible light and subtle shadows do not dramatically change the brightness mood or direction of the lighting rendering photorealistic high end architectural visualization realistic porcelain slab textures accurate material scale realistic roughness and reflections natural shadows physically accurate ambient occlusion clean architectural edges no excessive contrast no dramatic cinematic effects no redesign most important this is a material and realism enhancement only the geometry composition camera architecture window sanitary elements furniture planter and all existing objects must remain exactly as in the reference image do not add anything do not remove anything do not move anything do not resize anything do not change the camera do not change the window do not reinterpret the architecture only improve the realism and accurately apply the specified materials
