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History: Modern Marvels - Bridges
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(DVD - Code 1) (US-Import)
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Inhalt: |
From amazing ancient Roman aqueducts and arch bridges, romantic Renaissance spans, 19th-century railroad crossovers, to monumental marvels of our time, bridges pIayed a key role in the human quest to connect and unify. We'll trace the history of bridge types, incIuding suspension, arch, beam, truss, and cantilever designs. |
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