Revellers scuffle for the first free beer in the traditional 1-litre beer mug at the opening of the world`s biggest beer fest, the Munich Oktoberfest, at the Theresienwiese in Munich, September 17, 2011. Millions of beer drinkers from around the world will come to the Bavarian capital over the next two weeks for the 178th Oktoberfest, which starts today and runs until October 3, 2011. [Photo/Agencies]

 Munich Mayor Christian Ude taps the first barrel of beer during the opening ceremony for the 178th Oktoberfest in Munich September 17, 2011.

People in traditional Bavarian clothes take part in the Parade of the Landlords and Breweries during the opening of the 178th Oktoberfest in Munich, September 17, 2011. [Photo/Agencies]
 

Revellers toast with the traditional 1-litre beer mugs at the opening of the Munich Oktoberfest September 17, 2011.

Revellers scuffle for the first free beer in the traditional 1-litre beer mug at the opening of the world`s biggest beer fest, the Munich Oktoberfest, at the Theresienwiese in Munich, September 17, 2011. [Photo/Agencies]

A waitress carries the traditional 1-litre beer mugs at the opening of the world`s biggest beer festival, the Munich Oktoberfest, at the Theresienwiese in Munich, September 17, 2011.

People in traditional Bavarian clothes toast with beer mugs while taking part in the Parade of the Landlords and Breweries during the opening of the 178th Oktoberfest in Munich September 17, 2011. [Photo/Agencies]

People in traditional Bavarian clothes take part in the Parade of the Landlords and Breweries during the opening of the 178th Oktoberfest in Munich September 17, 2011. [Photo/Agencies]

The Parade of the Landlords and Breweries is held during the opening of the 178th Oktoberfest in Munich September 17, 2011. [Photo/Agencies]

`Muenchner Kindl` Maria Newrzella toasts with a beer mug while taking part in the Parade of the Landlords and Breweries during the opening of the 178th Oktoberfest in Munich September 17, 2011. [Photo/Agencies]