I found this guy's reel and I believe that it's amazing. What do I have to learn to do them? I'll list some of the things that I think are easy to learn first.
https://www.youtube.com/watch?v=hoTH1Iseaec
Time
3 and 4 seconds, I'm assuming he is just filming at 120fps
10 seconds, no idea
11 seconds, no idea
22 seconds, 120fps again i'm assuming
31 seconds
1:52
2:05 clouds still moving
2:20
https://www.youtube.com/watch?v=hoTH1Iseaec
Time
3 and 4 seconds, I'm assuming he is just filming at 120fps
10 seconds, no idea
11 seconds, no idea
22 seconds, 120fps again i'm assuming
31 seconds
1:52
2:05 clouds still moving
2:20