Very interesting and amazing for VR. I’ve been building a large open world with loads of Nanite foliage and other geometry. My goal was to push some boundaries in how much foliage I could have on screen to recreate the look of my home state of GA. So definitely different in scope. Your results are impressive!
You can see in this shot what I mean by pushing that boundary with foliage and even more inside the forest. Nanite allowed me to increase the density of my foliage greatly:
