Why farmers around the world are bringing back ancient crops - and ancient animals! We meet potato growers in the Andes and hear about a scheme to bring back bison to Britain.
Why farmers around the world are bringing back ancient crops - and ancient animals! We meet the "potato guardians" of the Peruvian Andes and hear about a scheme to bring back bison to Britain.
Presenters: Graihagh Jackson and Jordan Dunbar
Reporter in Peru: Beth Timmins
Sound Mix: Tom Brignell
Editors: Simon Watts and Sophie Eastaugh
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