So guys I would love to share with you the little video I created for the series, here:
Super quick technical info: It was done by super old school camera back projection technique of the final rendered images on the mesh. I photoshoped multiple images, extended scene etc. I had to doit this way because I photoshopped a lot of images and this also saved a ton of rendering time.
Here is also my full SOA talk (a lot about the series as well):
Cheers! 
Hey Jakub
Many thanks for sharing this and giving such a detailed insight into your process - your attention to detail and research really stand out as a key part of what allows you to create such beautiful imagery.
I think I noticed on the video you had renamed the mastering CGI indoor HDRI as “corrected” - would you mind sharing what you did to it?
Cheers
Thank you so much for your kind words.
Your attention is spot on! 
I forgot to say - I “white balanced” the HDRI - this means I completely desaturated the walls so they do not have the yellow color cast from the floor. I added this to the description of the video as well. Thanks!
Thanks for sharing your methodology. I found the talk quite interesting… Your renders are amazing!
Thats beautiful to hear, thank you so much! Its very kind of you!
