MUNICH, GERMANY - SEPTEMBER 17: Visitors and members of the brass band Bischofswiesen hold up one-litre glasses of beer to kick off the 2016 Oktoberfest beer festival in the Paulaner tent at Theresienwiese on September 17, 2016 in Munich, Germany. The 2016 Oktoberfest is taking place under heightened security due to fears over international terrorism. The fest will be open to the public through October 3. (Photo by Joerg Koch/Getty Images)