Police officers arrest one person while protesters of the Occupy Wall Street movement celebrate their first anniversary with marches and confrontations in Sept. 17, 2012.
Demotix
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A protester is arrested by the NYPD during a march from Zuccotti Park to Washington Square Park on Sept. 17, 2013.
Byron Smith
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Protesters make their way to Zuccotti Park on Sept. 17, 2013.
Byron Smith
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Occupy Wall Street protesters stand outside a barricade at Zuccotti Park in New York Sept. 17, 2013.
Reuters//Shannon Stapleton
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Protesters make their way to Zuccotti Park during a march as part of the Occupy Wall Street 2nd anniversary in Manhattan on Sept. 17, 2013.
Byron Smith
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An Occupy Wall Street protestor is arrested during a march in the financial district, Monday, Sept. 17, 2012 in New York.
AP Photo/John Minchillo