✅ Ad Blocker Active: Built-in ad protection is enabled for the best viewing experience!
How Do They Do It?
Season 14, Episode 4
Episode Title: Helmets, Tea, District Heating
Air Date: 2017-01-13
Overview:
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?
🎥 Watch Now