Aired Thursday 7 December,
12:30am - 1:00amon Quest +1
How Do They Do It?
Series 16 Episode 9How 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