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Modern Marvels: Season 13

13x46 World's Strongest
TV-PG

  • 2006-10-19T02:00:00Z on History
  • 44m
  • United States
  • English
  • Documentary
Strength...a powerful word, but what does it mean? How is it measured? Why are some things simply stronger than others. How strong is a rope, a tractor, a diamond, a tugboat or even plastic. How and why strength matther to us every day.
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