The mural of the late Congressman John Lewis in Atlanta. (Paras Griffin/Getty Images)ATLANTA - Atlanta Mayor Keisha Lance Bottoms has ordered all flags at City of Atlanta facilities to be lowered to half-staff as an act of respect to honor the passing of Congressman John Lewis.Lewis, who died Friday at age 80, was the youngest and last survivor of the Big Six civil rights activists who organized the 1963 March on Washington, and spoke shortly before the group’s leader, Rev.