Reading this article about some German's idea to drained the Mediterranean in the late 1920 which I found out from a YouTube video to create Atlantropa... Supposedly due to WWII happening this Bizarre Ideal was put on hold... With plan to actually start the project after the War...
https://www.atlasobscura.com/articles/t ... and-europe
I'm not sure aside from a few followers of the German architect Herman Sörgel, how seriously anyone took this idea, especially out of Germany. But way would he think that any Nation along the Mediterranean and of course dependent on the Sea would go along with this crazy plan, I have no clue...