[KeplerBoy]

Meet project Atlantropa, a proposed plan to dam the Mediterranean (or more accurately the atlantic ocean) at the strait of Gibraltar. A project so absurd and gigantic it would deserve its own thread really.

https://wikipedia.org/wiki/Atlantropa

[bagels]

Meanwhile, Egypt wants to expand the mediterranian: https://en.wikipedia.org/wiki/Qattara_Depression_Project

[KeplerBoy]

That's interesting,I have never heard of it before.

It seems outright feasible and sensible in comparison.