You may know about top two tecnologies on the market to build 3D scenes - Unity and UE.
Interestingly, like two weeks ago Quilex presented a new photorealistic virtual scene model “Rebirth” based on Icelandic environment by using UE4. For anybody familiar with 3D developing technologies, the quality of real rendered scene is mind-blowing, considering that isn’t using ray-tracing:
Introducing Rebirth, a real-time cinematic produced by Quixel, harnessing the power of Unreal Engine and real-world scans from the Megascans Icelandic collection. With photorealistic results rivaling traditional offline renderers, Rebirth represents a new way of crafting computer graphics.