Available Until: 1/19/2025
Runtime: 0:44
How Did They Build That? S3:08
Science
A sculptural high-rise with rippling balconies breaks the mold in Chicago. Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets. And Tokyo's tallest tower requires extreme earthquake-proof engineering.
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| Catalog › Free On Demand › TV Entertainment › Smithsonian › A-Z | Free | HD |
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