Modern mqtt architecture, futuristic cityscape, skyscraper, clean lines, minimalist design, metallic materials, LED lights, digital screens, servers, routers, networks, wires, circuits, cloud computing, virtual machines, remote access, secure encryption, real-time data analytics, IoT devices, sensors, actuators, industrial automation, robotic arms, manufacturing plants, urban landscape, night scene, city lights reflection on windows, detailed glass and steel structure, 3/4 composition, cinematic lighting, high contrast ratio.