184th Oktoberfest beer festival opens in Munich

People celebrate at the opening day of the 184th Oktoberfest beer festival in Munich, Germany, Saturday, Sept. 16, 2017. The world's largest beer festival will be held from Sept. 16 until Oct. 3. [Photo: AP/Matthias Schrader]

Munich's Mayor Dieter Reiter, center, taps the first beer barrel during the opening of the traditional Oktoberfest beer festival in Munich, southern Germany, Saturday, Sept. 16, 2017. The world largest beer festival is being held from Sept. 16 until Oct. 3. [Photo: Peter Kneffel/dpa via AP]

A man catches a beer mug during the opening of the 184th Oktoberfest beer festival in Munich, Germany, Saturday, Sept. 16, 2017. The world's largest beer festival will be held from Sept. 16 until Oct. 3. [Photo: AP/Matthias Schrader]

Young people struggle for beer during the opening of the 184th Oktoberfest beer festival in Munich, Germany, Saturday, Sept. 16, 2017. The world's largest beer festival will be held from Sept. 16 until Oct. 3. [Photo: AP/Matthias Schrader]

Young people celebrate the opening of the 184th Oktoberfest beer festival in Munich, Germany, Saturday, Sept. 16, 2017. The world's largest beer festival will be held from Sept. 16 until Oct. 3. [Photo: AP/Matthias Schrader]

Young people celebrate the opening of the 184th Oktoberfest beer festival in Munich, Germany, Saturday, Sept. 16, 2017. The world's largest beer festival will be held from Sept. 16 until Oct. 3. [Photo: AP/Matthias Schrader]