Cork oak at the Rotkäppchen winery in Freyburg

Cork oak at the Rotkäppchen winery in Freyburg (Unstrut), GermanyIn the splendid staircase well of the administration building a piece of cork oak (quercus suber) is displayed. So people joining a guided tour through the historic sparkling wine cellars of the Rotkäppchen winery get an impression from which tree the sparkling wine corks are made.