What You’ll Learn:
-Powerful Displace function in Unreal Modeling Tools
-HeightMap creation with JSplacement
-Terrain generation using external textures
-Complex city creation without Maya/3ds Max
-Optimization techniques with Nanite
https://dev.epicgames.com/community/learning/tutorials/Moj5/can-t-model-no-problem-create-epic-cities-in-unreal-engine-displace-feature-guide