PARIS, FRANCE - JANUARY 11: A woman rides a bicycle holding a French flag during a unity rally in Paris led by French president Francois Hollande and other world leaders following the recent terrorist attacks, January 11, 2015 in Paris, France.  An estimated one million people converged in central Paris for the Unity March in solidarity with the 17 victims of this week's terrorist attacks which began on Wednesday, January 8, 2014 with an attack on French satarical magazine Charlie Hebdo and continued through Friday with attacks at a printing company and a Kosher supermarket. Three suspects were killed in seiges while a fourth, Hayat Boumeddiene, 26, is wanted in connection with the murder of a policewoman.  (Photo by Richard Bord/Getty Images)
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