The scene sketch a biomes territory, where four different environments meet. They are also crossed by a river and a long path.
The scene include 2 simple terrains (1 core and 1 background), modeled in Gaea and texturized and populated in Blender 3.2 (Render Cycles).
The scene was populated with 14 (9+2+1+1+1) eco-systems (by ParticleSystems).
If you want to see more pictures go to: https://raffyraffy.artstation.com/store/Aad0g/four-biomes