9 Sezon
158 Episod
MegaStructures - Season 8 Episode 9 Episodul 9 (2012)
To save one of the most iconic engineering wonders of all time requires the creation of another masterpiece: the Hoover Dam Bypass Bridge.
- Țară : United States of America
- Gen : Documentary
- Studio : National Geographic
- Director :
- Distribuție :
