The rock is on a roll !

I miss animation... and mermaids ! So I am working on a new short movie (actually, it is more the idea of a new short movie...) To put it in a nutshell, I would like to make the one I had in my mind one year ago, before all the changes I had to do to give birth to my diploma short film, Humaine. 

Here is a little step by step of one of the new backgrounds...

...and the rough of the animation !