This image shows a data center technician working inside a large server hall during peak load. Rows of cabinets stretch into the distance, cooling units roar overhead, and the constant hum of equipment fills the space. The technician is troubleshooting a rack near the rear of the room where airflow is restricted. The temperature is noticeably higher than the main aisle, and warning alarms from other equipment blend into the background noise. A temporary cable tray crosses a walkway behind him, partially blocking the exit path. […]