Bernhard Enste, alias Komet, blows soap bubbles and dances during the annual MyFest in the streets of Kreuzberg district on May 1, 2016 in Berlin, Germany. May Day, or International Workers' Day, was established as a public holiday in Germany in 1933. Since 1987 May Day has also become known in Berlin for violent clashes between police and mostly left-wing demonstrators. (Photo by Emmanuele Contini/NurPhoto via Getty Images)
