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Clients take glasses of Cologne "Koelsch" beer on November 7, 2013 in Cologne, western Germany. AFP PHOTO / PATRIK STOLLARZ (Photo credit should read PATRIK STOLLARZ/AFP/Getty Images)

Clients take glasses of Cologne "Koelsch" beer on November 7, 2013 in Cologne, western Germany. AFP PHOTO / PATRIK STOLLARZ        (Photo credit should read PATRIK STOLLARZ/AFP/Getty Images)