Oktoberfest is open. Thousands of beer lovers celebrated in the Munich fairground as the first to clink their mugs during the world’s largest folk festival.

Oktoberfest is open.Mayor Dieter Reiter officially started Oktoberfest at noon Saturday when he inserted the tap into the first beer keg, signaling the 189th start of the festival. Thousands of beer lovers celebrated in the Munich fairground as the first to clink their mugs during the world's largest folk festival.

Thousands of beer lovers celebrated in the Munich, Germany, fairground as the first to clink their mugs during Oktoberfest, the world’s largest folk festival.