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How Do They Do It?
Season 14 · Episode 4
Helmets, Tea, District Heating
10.022mJanuary 13, 2017
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?
Episodes
- Episode 1Aluminium Cans, Cuckoo Clocks, Paddleboards
- Episode 2Car Shredder, Sarees, Worcestershire Sauce
- Episode 3Mardi Gras, Rock Candy, Dentures
- Episode 4Helmets, Tea, District Heating
- Episode 5Royal Enfield, Art Fraud, Milk
- Episode 6Crash Testing, Delftware, Umbrellas
- Episode 7Iron Ore, Wave Flume, Chandeliers
- Episode 8Oyster Knives, Stadium Lights, Diamonds