cyberpunk megacity 3d model

massive cyberpunk fortress-city inspired by Kowloon Walled City, gigantic interconnected megablock with dense vertical architecture, stacked residential sectors, industrial utility zones and high-tech corporate structures merged into one colossal self-contained city block, layered buildings, narrow neon alleys, inner courtyards, rooftop markets, external elevators, aerial bridges, hanging cables, heavy pipes, giant ventilation systems, coolant tanks, turbines, drone platforms, holographic advertisements, brutalist concrete mixed with retrofuturistic metal structures, realistic engineering and infrastructure, humid atmosphere, steam vents, fog, wet surfaces, warm apartment lights, dark service corridors, overcrowded but functional environment, believable asian cyberpunk urbanism, Blade Runner and Cyberpunk 2077 aesthetic, ultra detailed hard-surface 3D environment, Unreal Engine 5 style