This achievement of engineering, though simple in its conception, is a world unique.
At both entrances of the Isthmus of Corinth, the man-maid canal that separates Peloponnese from mainland Greece, you can see the only submersible bridges in the world. The idea behind the project is to provide passage to the vehicles, while giving right of way to the ships that are scheduled to cross the Canal.
Part of a series of videos for the blog camperistas.com