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Cork Extraction by Jorge Sarmento (12 images)

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Portugal is the largest cork exporter in the world. Cork extraction is one of the stages of a long process that begins 30 years earlier when cork oak is either planted or born spontaneously.

One of the most interesting peculiarities of the cork oak is its outer shell - cork - whose main role is to protect the tree. The first (virgin) cork extracted has no commercial value; it can only be extracted 30 years after the cork oak is planted and then with a 9 year interval.
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