How Do They Do It?
Helmets/Tea/District Heating
Season 14 Episode 4 of 20
A look at how the world's most expensive tea is harvested and treated. Plus, how the Siekierki power plant of Warsaw, Poland, manages to heat half the city's homes
How Do They Do It? airs on Discovery Channel HD at 4:30 AM, Sunday 30 June. (Subtitles.)
Learn more about How Do They Do It? and other education/science/factual topics on our factual page
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