If We Built It Today - Season 2 Episode 5 5. Bölüm
America's transcontinental railroad helped transform the United States into a global superpower, and today, cutting-edge engineering is behind hi-tech railways to once again revolutionize travel from sea to shining sea.
- Tür: Documentary
- Stüdyo: Science
- Anahtar kelime: architecture
- Oyuncular: Brian Mitchell
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