Aired Wednesday 9 October,
2:00am - 2:30amon Quest
How Do They Do It?
Series 15 Episode 17How do they grow America's only freshwater pearls in Tennessee? Plus, how are the world's sharpest knives made, and how do they forge these knives?
- Category
- Documentary / Educational / Science
- Original air date
- 06/01/2019
Cast and crew