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Marchers carry pre-Islamic Revolution flags of Iran as they march in the Persian Day Parade in commemoration of Newroz, the Persian New Year, in New York, April 15, 2012 (Credit:Reuters/Keith Bedford)

Marchers carry pre-Islamic Revolution flags of Iran as they march in the Persian Day Parade in commemoration of Newroz, the Persian New Year, in New York, April 15, 2012 (Credit:Reuters/Keith Bedford)