Students clash with the riot police during a demonstration against the government of President Sebastian Pinera in Valparaiso, Chile, Nov. 17, 2011. Thousands of students and teachers took to the streets of Valparaiso, in a protest intended to ramp up pressure on the government for education reform. (Martin Bernetti/AFP/Getty Images)

A Thai supporter wears dual face headgear to amplify his cheer during a Southeast Asian (SEA) Games Group A soccer match between Thailand and Singapore at Gelora Bung Karno stadium in Jakarta, Indonesia, Nov. 17, 2011. (Tatan Syuflana/AP Photo )

Police officers arrest Occupy Wall Street protesters Nov. 17, 2011, in New York. Two days after the encampment that sparked the global Occupy protest movement was cleared by authorities, demonstrators marched through New York’s financial district and promised a national day of action with mass gatherings in other cities. (Mary Altaffer/AP Photo)

A man looks at the Body Worlds Exhibition at the War Museum in Seoul, South Korea, Nov. 17, 2011. The Showcase is the installment of anatomical exhibitions by German scientist Gunther von Hagens. (Lee Jin-man/AP Photo)