2. Washington D.C.
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Hundreds of demonstrators, many of them Howard University students, march down the middle of U Street Northwest after a grand jury did not intict the white police officer who killed an unarmed black teenager in Missouri November 24, 2014 in Washington, DC. A St. Louis County grand jury has decided to not indict Ferguson police Officer Darren Wilson in the shooting of Michael Brown that sparked riots in Ferguson, Missouri in August. (Photo by Chip Somodevilla/Getty Images)
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