Strong, amber-colored Marzenbier is the traditional beer served at Oktoberfest in Munich, Germany. But it's now found only in the United States.

Oktoberfest has opened in Munich after the ceremonial beer keg-tapping. Mayor Dieter Reiter officially started the 189th Oktoberfest at noon when he inserted the tap into the first keg. The celebration runs through Oct.

Oktoberfest will open after the ceremonial keg-tapping by Munich Mayor Dieter Reiter when he inserts the tap into the first keg at noon on Saturday