Generate a highly detailed and photorealistic urban site layout image for an estate, focusing on the elegant integration of duplex buildings within a beautifully designed landscape. The scene should vividly capture the serene ambiance of the estate, highlighting the lush greenery, well-manicured lawns, tree-lined pathways, and meticulously curated gardens that complement the architectural grandeur of the duplex buildings. Populate the scene with lifelike human figures engaged in leisure activities like walking, jogging, or socializing, creating a sense of vibrant community. The lighting should be meticulously crafted to evoke different times of the day or weather conditions, casting accurate shadows and enhancing the visual depth of the scene. Pay meticulous attention to architectural details, textures, and materials of the duplex buildings, capturing their elegance and sophistication. Additionally, include small-scale elements like outdoor seating areas, decorative elements, and subtle accents to enhance the authenticity and charm of the estate. The final image should exude a sense of luxury, tranquility, and refinement, offering viewers a captivating glimpse into the harmonious fusion of architecture and landscape within this exclusive estate setting.