Aired Thursday 17 October, 2:00am - 2:30amon Quest

How Do They Do It?

Series 16 Episode 9

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?

Category
Documentary / Educational / Science
Original air date
11/10/2019
Cast and crew
  • Chris BroylesNarrator