Fully reflection and lighting GI raytraced scene in Unreal Engine 4, nothing was baked. This is full CGi Scene where I used Quixel modular building models.
You can download and try this Scene yourself: https://drive.google.com/file/d/1Zrrk49xRVcZc9u6Kb1G0woD2A3oqf7V3/view?usp=sharing
YOU CAN FIND MY UNREAL ENGINE SCENES HERE:
https://www.turbosquid.com/Search/Artists/bibiq