Zázraky techniky - Season 6 Episode 2 2. epizoda
The first railroads in the United States were engineering marvels built to conquer America's deadliest places. Using cutting-edge science, engineers and builders changed the nation by connecting the California frontier with the rest of the country.
- Žánr: Documentary
- Studio: Science
- Klíčové slovo: engineering
- Obsazení: Mike Bratton
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