Data center interior, Cisco architecture design guide, modern minimalistic style, clean lines, rectangular shapes, rows of servers, blinking blue lights, air conditioning ducts, concrete floor, metal racks, cables organized neatly, network switches, routers, firewalls, storage systems, UPS devices, cooling systems, humidifiers, raised floors, glass partitions, sliding doors, LED lighting, 3/4 composition, low-angle shot, shallow depth of field, professional atmosphere, realistic rendering.