Data center, server room, rows of racks, multiple Cassandra database clusters, complex network architecture, futuristic atmosphere, neon lights, sleek metal frames, humming servers, blinking LEDs, high-performance computing, scalable design, distributed systems, real-time data processing, big data analytics, 3D visualizations on screens, holographic projections, professional IT engineers in the background, wearing glasses, casual wear, concentrated expressions, fingers on keyboards.