Question: The project that would have led to the lowering of the surface of the Mediterranean Sea by up to 200 m was devised by an architect who died in which year ?
Sentence (from "Atlantropa"): Its central feature was a hydroelectric dam to be built across the Strait of Gibraltar, which would have provided enormous amounts of hydroelectricity and would have led to the lowering of the surface of the Mediterranean Sea by up to 200 m , opening up large new lands for settlement, for example in the Adriatic Sea.
Relevant evidence: Yes