In this March 6, 2016, file photo, thousands of marchers cross the bridge on the the 51st anniversary of the voting rights demonstration that came to be known as “Bloody Sunday,” during the re-enactment of the march across the Edmund Pettus Bridge in Selma, Ala. Organizers the annual civil rights celebration and organizers of a Civil War battle re-enactment are upset the city is asking them to pay tens of thousands of dollars to cover the costs of police and fire protection and cleanup.