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The Oktoberfest festival tent is open at the Theresienwiese festival grounds in Munich, southern Germany

The Oktoberfest festival tent is open at the Theresienwiese festival grounds in Munich, southern Germany. With about eight million beers downed each year at the Oktoberfest, you might expect a few items to go awry, but the lost-and-found office at the world's top beer fest really has seen it all