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Watch How Do They Do It? S14E4 • StreamFlix

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Season 14 · Episode 4

How Do They Do It?: Helmets, Tea, District Heating

10.022mAired 2017-01-13

How do they harvest and treat the world's most expensive tea? Plus, how does the Siekierki power plant of Warsaw, Poland heat half the city's homes?

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Episodes

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20 episodes

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