How Do They Do It?
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How Do They Do It?
Méindeg, 05:30
How do they collect millions of real birds' nests to make birds' nest soup? Plus, how do they use aerospace technology to make rowers go faster? S16, Ep10
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How do they build a tractor every three minutes to power Indian agriculture? How do they cast the bronze bells that help Swiss farmers keep track of their cows? S16, Ep9
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