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Very good detail but what are these for?
I personally use them in games/ real-time environments, or for rendering pictures.
For instance here are some videos where is used some of the stones and the old tree stump
https://www.youtube.com/watch?v=CGyhZ9rAKt0
https://www.youtube.com/watch?v=Yx7WOKJg7ks
https://www.youtube.com/watch?v=S7MDntl6o2g
https://www.youtube.com/watch?v=75XrWxTO4pQ
https://www.youtube.com/watch?v=bXazKMGgvSs
The real-time meshes are the low resolution ones with the LOD applied.
Hope that helped :)