This should be familiar if you’ve watched basically any school anime, ever. It’s an Unreal Engine 4 scene done by environment/prop artist Jason Wesner, who used both real-life and anime references while working on the project. The HD shots are below, along with a flythrough video that shows off the map really well.
When Combine posters pop up in your apartment building, you should think about moving. 3D artist Liam Tart, who’s worked as an environment artist on Alien: Isolation, is remaking a small, familiar section of Half-Life 2 in Unreal Engine 4 to get out of his “usual sci-fi comfort zone.” You can follow his progress here.