Munich’s mayor Dieter Reiter taps a keg to open the traditional Oktoberfest in Munich, southern Germany, on September 20, 2014. Thousands of serving staff carry millions of “Mass” (litre-sized) glasses of beer from one of six historic Munich breweries, to punters seated at long tables in dozens of tents at the Wiesn fairgrounds during the festival. AFP PHOTO / DPA/ PETER KNEFFEL GERMANY OUT