A helicopter carries VIPs to the Brazilian Grand Prix in Sao Paulo in 2010. Politicians taking expensive helicopters and government planes have generated controversy in Brazil. Jefferson Bernardes/AFP/Getty Images hide caption

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Erdem Gunduz (center) stands in Instanbul's Taksim Square early Tuesday. After weeks of clashes with police, many Turkish protesters were inspired to emulate Gunduz, and stand silently. Petr David Josek/AP hide caption

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People run away from tear gas which is thrown by riot police during a clash at Taksim Square in Istanbul, Turkey. Tolga Bozoglu /EPA /LANDOV hide caption

itoggle caption Tolga Bozoglu /EPA /LANDOV

Relatives of the Egyptian policemen who were killed in Port Said grieve during their military funeral in Cairo on Sunday. Amr Nabil/AP hide caption

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Protestors are storming central Delhi streets, calling for women's safety following a brutal attack on a young woman last weekend. Sajjad Hussain/AFP/Getty Images hide caption

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There were also anti-American protests in Kabul on Sunday. Massoud Hossaini /AFP/Getty Images hide caption

itoggle caption Massoud Hossaini /AFP/Getty Images

Protesters march outside the Japanese Embassy in Beijing on Saturday. Tension escalated, sometimes to violence, in cities across China after Japan bought the disputed islands from a private Japanese owner. Louisa Lim/NPR hide caption

itoggle caption Louisa Lim/NPR

Protesters organized by Occupy Wall Street and Occupy Together yell slogans and hold signs at Courthouse Square in Dayton, Ohio, Wednesday. Several large unions have come out in support of Occupy Wall Street.

Al Behrman/AP hide caption

itoggle caption Al Behrman/AP