Discovery Channel - Megabuilders - Crossing the Colorado

Seizoen: 2 - Aflevering: 6 / 12 - Eerst uitgezonden: 29 januari 2007 - Episode ID: 440310

In a rugged canyon, just downriver from the Hoover Dam, a team of construction veterans is hard at work, building the biggest concrete-arch bridge on the continent. This spectacular structure will stretch almost two thousand feet across the Colorado River, between Nevada and Arizona.