transform this existing living room render into a highly photorealistic architectural photograph important preserve the original interior exactly do not redesign replace recolor move add or remove any existing interior elements keep the exact same furniture layout proportions materials finishes textures patterns and colors shown in the original render critical sectional color the sectional sofa must remain exactly the same color as shown in the original source render use the original image as the absolute color reference do not warm cool brighten darken desaturate oversaturate or reinterpret the sectional upholstery color improve only its realism and fabric texture while maintaining the exact original color critical do not add indoor plants do not add any plants trees flowers planters vases with greenery branches or vegetation anywhere inside the living room keep the interior exactly as shown in the source image any landscaping or vegetation must remain outside only simple backyard add a simple realistic modern backyard visible in the background keep the backyard understated and natural do not over design it or make it visually distracting use a large simple green lawn a few mature non tropical trees in the distance simple shrubs or restrained landscaping clean minimal outdoor paving if appropriate open space and generous backyard depth natural daylight no palm trees banana trees tropical plants jungle vegetation oversized tropical leaves or resort style landscaping do not add excessive outdoor furniture elaborate landscaping decorative features fountains sculptures or unnecessary objects the backyard should simply provide a believable elegant residential background and should not compete visually with the interior photorealism make the image look like a real professional architectural photograph enhance natural lighting realistic shadows reflections fabric texture wood grain stone texture glass material depth and subtle natural imperfections maintain the original camera position framing perspective architecture furniture placement materials finishes and colors final check sectional upholstery color matches the original exactly all existing interior colors and finishes remain unchanged no indoor plants or added interior greenery backyard is large simple modern and realistic no tropical trees or tropical landscaping do not add unnecessary objects or decorations the original interior design remains unchanged the final result should look like the exact existing interior was professionally photographed in a real luxury residence with a simple spacious natural backyard visible outside ultra photorealistic architectural photography true to source colors realistic materials natural daylight simple modern backyard temperate landscaping strict interior preservation high material fidelity