Why this Portuguese sardine cannery swears by its 100-year-old method
Canned sardines are a delicacy in Portugal. The country has a long fish-canning tradition, to the point that the sardine has become a national icon. We visited Conservas Pinhais, one of the oldest preserving factories in Portugal, that has kept its artisanal canning method since 1920. It makes 30,000 cans a day.