Modern Marvels

Hoover Dam (6x17)

Ημερομηνία προβολής: Ιούλ 12, 1999

Venture into the Southwestern Desert for the complete story of one of the seven engineering wonders of the world -- Hoover Dam. From the blueprints to reality, this is the story of the ingenuity and manpower that literally moved a river and sculpted a mountain of concrete.