― Alentejo landscape on a wintery day ∙ In Portugal, the cork oak is part of the landscape in the Alentejo region. From the outer bark of this tree come the cork stoppers we find in every good bottle of wine. ∙ In this photo, you can see where the outer bark has been removed. ∙ Photo by Joergsam (Wikipedia), available under the Creative Commons Attribution-Share Alike 3.0 Unported license. ∙ And here you can see a ceramic tile panel depicting workers removing that bark. [...].