3D渲染智慧城市科技园区信号传输插画素材

illustration/3D rendering, minimalist modern style, main colors gray, white, and blue, cityscape with skyscrapers, factories, residential buildings, roads, vehicles, solar panels, wireless signal towers, orderly arrangement forming a coherent urban ecosystem, strong technological atmosphere, modern environment, detailed elements including trees, cloud icons, wireless signal symbols, clean background emphasizing main content, clear and concise visual effect conveying smart city and IoT concepts