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How Do They Do It?: Season 9

9x19 Skydiving Suits; Surstromming; Hemp-Crete
TV-G

  • 2012-12-14T03:00:00Z on Discovery
  • 22m
  • United States
  • English
  • Documentary
How do they build the world's most expensive cable cars? How is vodka produced from grass? How do social networks connect people around the world?
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