Event-driven architecture, futuristic cityscape, skyscraper, modern building, sleek lines, metallic materials, LED lights, digital screens, real-time data analytics, cloud computing, network infrastructure, microservices, APIs, messaging queues, event handlers, callback functions, async processing, scalable systems, fault-tolerant design, load balancing, distributed systems, real-time notification, streaming data, IoT devices, sensor integration, machine learning models, predictive analytics, business intelligence, decision-making systems, automated workflows, monitoring dashboards, alert systems, error handling mechanisms.