How Peru went from having virtually no blueberry plantations to being the world's top exporter in just ten years.In this episode Stefania Gozzer visits a plantation in the region of Ica and hears from experts, firms and farmers about the key developments that made blueberries growing such a success, despite Peru’s ongoing political crises.Presenter / producer: Stefania Gozzer Image: Blueberry farmer; Credit: BBC