An ankle shackle used by prisoners during meetings with their lawyers is seen on the floor of the conference room at Camp VI, a prison used to house detainees at the U.S. Naval Base at Guantanamo Bay, March 5, 2013. The facility is operated by the Joint Task Force Guantanamo and holds prisoners who have been captured in the war in Afghanistan and elsewhere since the September 11, 2001 attacks. Picture taken March 5, 2013. REUTERS/Bob Strong (CUBA - Tags: POLITICS MILITARY CRIME LAW)