Suspension Bridge, Crossbows

Suspension Bridge, Crossbows

How Do They Do It? • Season 9 • Episode 8

0.0
22 min
Aug 23, 2012

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How do they make steel cables strong enough to hold up a 50,000 tonne bridge; why do modern hunters use medieval weapons; and how do shops know which clothes sizes...

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Duration: 22 minutes Quality: HD Subtitles: Available

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Suspension Bridge, Crossbows

Suspension Bridge, Crossbows

Episode 8

How do they make steel cables strong enough to hold up a 50,000 tonne bridge; why do modern hunters use medieval weapons; and how do shops know which clothes sizes...

Current 22m

Episode 9

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