Talk about a knees-up: men in traditional Bavarian lederhosen make up the Riflemen's Procession at the start of Oktoberfest 2011Photograph: Alexandra Beier/Getty ImagesChildren take part in the costume parade too, one of the largest of its kind with almost 9,000 participants lining the 7km routePhotograph: Tobias Hase/EPAJumping the queue: a Moresca dancer entertains the crowds during the shooting club traditional costume paradePhotograph: Tobias Hase/EPAMusicians at the Theresienwiese fairground, the focal point of Oktoberfest celebrationsPhotograph: Christof Stache/AFP/Getty ImagesA souvenir stall in the Theresienwiese, bearing the logo of Munich's famous Hofbräuhaus beer hallPhotograph: Christof Stache/AFP/Getty ImagesThe Theresienwiese tents fill to bursting with hundreds of locals and tourists every dayPhotograph: Christof Stache/AFP/Getty ImagesBavarian women wearing traditionally modest dirndls tuck into their steins of beerPhotograph: Tobias Hase/EPAMeanwhile Oktoberfest tourists pose in more youthful versions as Munich welcomes visitors from around the globePhotograph: Christof Stache/AFP/Getty ImagesThe Theresienwiese was named after Princess Therese who married Prince Ludwig I here in 1812, an event Oktoberfest commemorates to this dayPhotograph: Christof Stache/AFP/Getty ImagesThe Theresienwiese beautifully illuminated against the night sky over MunichPhotograph: Christof Stache/AFP/Getty Images