@elcangrejo
My team is investigating the issue of water falling in a mini waterfall from the blades of the waterwheel. I guess we should see how we combine the techniques. That research would also be useful, I suppose, for the mini-waterfalls in the river that would be outside the camera. At the moment I am looking for information. What I have found so far is this:
https://www.youtube.com/watch?v=zZsfr5f273c
https://www.youtube.com/watch?v=Im3SA3MSzcw