harvested cork oak bark from the trunk of cork oak tree quercus suber for industrial production of wine cork stopper in the

harvested cork oak bark trunk tree quercus suber industrial production wine stopper alentejo region portugal sao bras de alportel stack sardinia timber ecology excoriation algarve sustainable farmer peel extraction bottle vineyard traditional detail spain corkwood harvesting winery evora beja mediterranean portuguese natural agriculture pattern nature raw wood industry material outdoor summer landscape