Explore the creation of a virtual city in this tech talk from the State of Unreal 2022 livestream, focusing on 'The Matrix Awakens: An Unreal Engine 5 Experience' demo. Dive into the modular procedural approach for building creation, Open World workflows, lookdev breakdowns, and improvements to the Lumen global illumination system. Learn about texture assets, building references, modeling techniques, module creation, asset pipelines, and procedural generation. Discover the intricacies of Open World features, streaming recipes, ray tracing groups, and city spawning. Gain insights into material instance hierarchies, interior mapping techniques, and the implementation of roads, rooftops, and Lumen in this comprehensive exploration of virtual world development using Unreal Engine 5.