How Did They Build That? : Towers & Roofs
  • 3 years ago
How Did They Build That? : Towers & Roofs
How Did They Build That?
Series 1 Episode 2: Towers & Roofs
Engineers bend two New York skyscrapers and connect them with a sky bridge 700 feet up; Singapore's 'Hive' is built without a single straight structural support. A canopy in Greece.
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