Thank you very much for your comments!! and trying to reply to your questions:
1.- Adobe After Effects for video transitions and Davinci Resolve for edition
2.- D-Log, custom +1/0/0, everything in manual mode and polarized 16 ND. It was a complicated day as sometimes the sun was shining and a little bit later, covered by clouds, again shining, ...
3.- Yes, a free LUT was used for based colour grading, it was modified and created a new one with final settings. If you're interested, I can send to you.
Again, thanks for your comments and interest!!