MUNICH, GERMANY - SEPTEMBER 20:  A reveller dressed in traditional Bavarian clothing `Dirndl` holds  beer mugs at Schottenhamel beer tent at the opening day of the 2014 Oktoberfest at Theresienwiese on September 20, 2014 in Munich, Germany. The 181st Oktoberfest will be open to the public from September 20 through October 5 and traditionally draws millions of visitors from across the globe in the world's largest beer fest.  (Photo by Alexander Hassenstein/Getty Images)