9 Season
158 Episode
MegaStructures - Season 8 Episode 9 Hoover Dam Bypass Bridge
To save one of the most iconic engineering wonders of all time requires the creation of another masterpiece: the Hoover Dam Bypass Bridge.
- Year : 2012
- Country : United States of America
- Genre : Documentary
- Studio : National Geographic
- Keyword :
- Director :
- Cast :
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