

A demonstrator dressed in a chess board costume performs next to police officers during a protest at Puerta del Sol plaza in Madrid, Spain, May 13, 2012. Alberto Di Lolli/AP
Demonstrators play drums as they march in a protest to mark the anniversary of the beginning of the Indignados (Indignant) movement in Barcelona, Spain, May 12, 2012. T-shirts read 'Take the Street.' Emilio Morenatti/AP
People attend a gathering marking the one year anniversary of Spain's Indignados (Indignant) movement in Madrid's Puerta del Sol on May 14, 2012. Susana Vera/Reuters
Riot police stand guard in front of a branch of the recently nationalized bank during a protest in Madrid, Spain, May 14, 2012. Prime Minister Mariano Rajoy defended his government's harsh austerity measures aimed at correcting Spain's grim economic forecast. Alberto Di Lolli/AP
Protesters hold a camp meeting at a demonstration campsite formed by supporters of the Occupy London Stock Exchange group in Finsbury Square, London, on Oct. 25, 2011. Matt Dunham/AP
A protester holds a placard during an anticapitalist demonstration in Paris on Oct. 15, 2011. The placard reads: 'We are the 99 per cent, too big to fail.' Thibault Camus/AP
A demonstrator takes part in the United for Global Change movement against banking and finance, in solidarity with the Occupy Wall Street protests, in Budapest on Oct.15, 2011. Bernadett Szabo/Reuters
A protester with a Guy Fawkes mask made popular by the graphic novel 'V for Vendetta' writes banners during the Occupy Bucharest protest in downtown Bucharest, Romania, on Oct. 15, 2011. Bogdan Cristel/Reuters
Protesters take part in the Occupy Central protest in Stockholm on Oct.15, 2011. Maja Suslin/Scanpix/Reuters
Demonstrators take part in the Occupy Dame Street protest in Dublin, Ireland, on Oct. 12, 2011. Cathal McNaughton/Reuters
A participant spray-paints the slogan 'We are the 99 percent' during a demonstration to support the Occupy Wall Street movement in Munich, Germany, on Oct. 15, 2011. Axel Schmidt/AP
Protesters carry signs during a march in support of Occupy Wall Street in Brussels on Oct. 15, 2011. Yves Logghe/AP
Demonstrators attend the 'Occupy Paradeplatz' protest in front of Swiss banks UBS and Credit Suisse in Zurich, Switzerland, on Oct. 15, 2011. Christian Hartmann/Reuters
Demonstrators take part in the 'We are the 99%' protest in Ljubljana, Slovenia, on Oct. 15, 2011. Srdjan Zivulovic/Reuters
Protesters take part in the 'Occupy Vienna' protest in downtown Vienna on Oct. 15, 2011. Leonhard Foeger/Reuters
Protesters sit in front of the Reichstag building in Berlin on Oct. 15, 2011 during a demonstration to support the Occupy Wall Street movement. Michael Sohn/AP
A Carabinieri (Italian paramilitary police) van is engulfed in flames after protesters set it on fire during clashes in Rome on Oct. 15, 2011. Roberto Monaldo, Lapresse/AP
People in Madrid take a part in a demonstration as they march towards Puerta del Sol square in solidarity with the Occupy Wall Street protests on Oct. 15, 2011. Arturo Rodriguez/AP
Danish anticapitalist protesters, inspired by the Occupy Wall Street movement, camp outside the City Hall in Copenhagen on Oct. 26, 2011. Jens Dresling/POLFOTO/AP
Protesters demonstrate near the European Central Bank (ECB) in downtown Frankfurt, Germany, on Oct. 22, 2011. Martin Oeser/AP
Protesters participate in an Occupy Warsaw rally in Warsaw on Oct. 15, 2011. Czarek Sokolowski/AP
A demonstrator holds a banner during a protest at the Portuguese parliament as part of the United for Global Change movement, in support of the Occupy Wall Street protests, in Lisbon on Oct. 15, 2011. Rafael Marchante/Reuters