FRANKFURT AM MAIN, GERMANY - MARCH 18: Supporters of the Blockupy movement protest at 'Roemerberg' against the policies of the European Central Bank (ECB) after the ECB officially inaugurated its new headquarters earlier in the day on March 18, 2015 in Frankfurt, Germany. At least 10,000 protesters were expected to take part at riot police equipped with water cannons established a wide security perimeter around the ECB site. (Photo by Thomas Lohnes/Getty Images)
