Data center, Palo Alto reference architecture, modern office building, sleek glass facade, steel beams, urban landscape, cityscape, metropolitan area, sunny day, blue sky with white clouds, dramatic lighting, low-angle shot, 3/4 composition, shallow depth of field, futuristic ambiance, high-tech atmosphere, routers, servers, network devices, cables, wires, ventilation systems, air conditioning units, fluorescent lights, minimalist interior design.