17 Season
287 Episode
How Do They Do It? - Season 16 Episode 9 Tractors, Cow Bells, Street Lights
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?
- Year : 2021
- Country : Canada, Singapore, United Kingdom, United States of America
- Genre : Documentary
- Studio : Discovery
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