S8·E9 – Hoover Dam Bypass Bridge
2011-10-10 • 60 min
To save one of the most iconic engineering wonders of all time requires the creation of another masterpiece: the Hoover Dam Bypass Bridge.
2011-10-10 • 60 min
To save one of the most iconic engineering wonders of all time requires the creation of another masterpiece: the Hoover Dam Bypass Bridge.