HAMBURG, GERMANY - JULY 06: Police gather at Hamburg harbor prior to the âWelcome to Hellâ anti-G20 protest march on July 6, 2017 in Hamburg, Germany. Leaders of the G20 group of nations are arriving in Hamburg today for the July 7-8 economic summit and authorities are bracing for large-scale and disruptive protest efforts. (Photo by Thomas Lohnes/Getty Images)
