7. Los Angeles, CA
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Police officers line up to protect the LAPD Headquarters as they face off with protesters after the grand jury decision not to indict a white police officer who had shot dead an unarmed black teenager in Ferguson, Missouri, in the early morning hours of November 25, 2014 in Los Angeles, California. Police officer Darren Wilson shot 18-year-old Michael Brown on August 9, sparking large ongoing protests. (Photo by David McNew/Getty Images)
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