> The Med is large enough that you won't reduce its level a significant amount, so nobody will build houses on the new beachfronts The description of Atlantrop

> The Med is large enough that you won't reduce its level a significant amount, so nobody will build houses on the new beachfronts The description of Atlantropa in the linked article clearly notes besides hydroelectric power generation, the dam was meant to lower the sea level by more than 600 feet in order to create more land in the basin. A dam collapse would have been catastrophic.