Thanks for your advice !
I'm downloading the trial version of Affinity Publisher 1.
Yeah, Tunnels in White is totally the kind of things I would like to be able to produce !
I really appreciate things you do !
(All my apologies for my poor english, I'mFrench, and I think that the rest of the world can't imagine how many our educational system make our learning of english 100 percents uneffective !)
Thanks a lot for helping me answering to my question !
Have a good day !