S2·E6 – Crossing the Colorado
2007-11-05 • 47 min
In a rugged canyon, down river from the Hoover Dam, a team of construction veterans is building the biggest concrete-arch bridge on the continent.
2007-11-05 • 47 min
In a rugged canyon, down river from the Hoover Dam, a team of construction veterans is building the biggest concrete-arch bridge on the continent.