A protester dressed as a clown tries to provoke a police officer on the opening day of the European Central Bank (ECB) in Frankfurt am Main, western Germany, on March 18, 2015. Supporters of the so-called Blockupy alliance consisting of social movements, activists, workers, trade unions and parties are expected to stage large protests against austerity and the authority of the European Central Bank when the bank’s new headquarters officially will be inaugurated on March 18, 2015. AFP PHOTO / DPA / ARNE DEDERT +++ GERMANY OUT