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Up for grabs: First beers handed out at Oktoberfest in Munich

Revellers reach out for the first beer in the traditional one-liner "Masskrug" beer mugs at the opening day of the Munich Oktoberfest at the Theresienwiese in Munich, Sept. 22. The world's biggest beer festival runs until October 7.

Related story: Raise a glass (or beer mug) to the Oktoberfest tradition

Slideshow: Bottoms up at Oktoberfest!