preserve the exact geometry layout proportions and camera angle from the reference image do not redesign the architecture do not move walls and do not add or remove objects maintain the curved marble bathtub exactly as shown maintain the rectangular recessed niche shelf above the bathtub with the bottles inside maintain the green marble wall panels and the door on the right side exactly in the same position maintain the opening to the outside landscape on the left side only enhance realism materials textures and lighting scene description luxury spa bathroom interior with a custom curved marble bathtub integrated into the architecture the bathtub walls and architectural surfaces are made of green marble stone panels above the bathtub there is a rectangular recessed niche shelf containing several bottles the floor is light beige matte travertine stone on the left side there is a large opening window showing an outdoor landscape through this opening the distant skyline of los angeles should be visible in the background behind everything else near the opening there are plants placed on top of decorative stones material realism improvements the marble should be deep natural green matching the tone of the original image with strong natural veining and high resolution stone texture marble should have subtle low reflections and natural imperfections not overly glossy the bathtub contains water with a realistic neutral tone not overly blue with soft reflections and gentle ripples travertine floor should be matte with visible pores and realistic micro texture the decorative stones under the plants should look highly realistic with irregular shapes natural color variation rough surface texture and soft shadows between the stones improve plant realism with natural leaf variation and translucency add natural sunlight entering from the opening creating soft shadows and realistic light bounce on the marble surfaces use global illumination ray traced reflections and physically accurate materials rendering keywords ultra realistic architectural visualization archviz render cinematic lighting ray tracing global illumination photorealistic materials high detail textures 8k negative prompt no layout change no architecture redesign no new furniture no extra shelves no missing objects no different materials no geometry changes add subtle light reflection and caustics on the water surface inside the marble bathtub