Israel's Transport Ministry is studying a plan to build a new port in the Red Sea city of Eilat. The so-called Southern Gateway project would involve closing the existing port at the southern end of the city and digging a canal along its northeastern edge adjacent to the border with Jordan. The cost of the project is estimated at over $3 billion.
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.