On September 17th, the 178th Oktoberfest opened in Munich, Germany, with the traditional tapping of the first keg of beer by Munich's mayor, Christian Ude, shouting "O'zapft is!" ("It's tapped!"). Oktoberfest is a three week-long celebration of Bavarian culture that delights around five million people each year making it the world's largest fair.Last year, visitors drank more than 7 million