The author's light and corona setup settings are saved (not basic).
The archive contains PSD files with post processing.
The Preview shows a post-processed image, not a raw render.
Archive size: 917 MB
License type: Royalty Free License
I should notice that this scene itself doesn't give you some full understanding of working process. The scene is made with the help of some aspects and algorithm which my course "CGBandit "containts. But it might be interesting for you to analyze and test it.