I'm very exited to announce that I have been working on a course with the amazing team at learn squared on how to develop quick and easy pipelines for natural spaces in Unreal! The rocks, foliage and atmosphere elements in the peroneal work I post will be covered in this course so go check it out!
https://www.learnsquared.com/courses/stylized-environments-unreal
http://www.learnsquared.com/tylersmith