Subject: Beijing ancient and modern city landmark building complex, including Temple of Heaven, Tiananmen, China Zun, Bird's Nest, Olympic Tower, CCTV Headquarters, Great Wall, flat geometric building shapes, with grid light effect texture. Scene: Pure light blue clear sky city distant view, bottom mirror reflection minimalist scene. Style: All buildings are presented in flat, geometric style, with simple lines and clear structure. Color palette: Buildings use blue and white gradient as main tones, clean and transparent, combining elegant Chinese style and modern technology sense. Lighting: Uniform tiled soft light, fresh and transparent texture, reflection light and shadow coordinated and soft. Composition: Centered aggregated layout, traditional and modern buildings interspersed and integrated, symmetrical and balanced with distinct layers. Use case: Beijing urban cultural and tourism promotion image, urban culture exhibition visuals, urban-themed commercial materials, text-free urban landmark illustration.