Riesling grapes are seen during harvest at the Weingarten vineyard at Berlin's district Pankow Prenzlauer Berg, Germany, October 7, 2018. Since 2000, the Department of the Environment and Nature of Berlin's district Pankow Prenzlauer Berg plant with the help of the Berlin Weingarten friends' association about 600 Riesling grapevines, which now produce this year a stable vintage of about 1000 kilograms. REUTERS/Fabrizio Bensch