That's actually not out of line with what Ancient Architects proposed; the operator of that channel tries to shy away from pure speculation, and proposed sea le

That's actually not out of line with what Ancient Architects proposed; the operator of that channel tries to shy away from pure speculation, and proposed sea level rise as a cause for Atlantis sinking; and from there, they narrowed in on Rockall, which has interesting now-sunk but previously above-water features.