More than a million people have been forced from their homes and according to the United Nations, untold thousands have been massacred, tortured, and subjected to a modern form of slavery. Burma, says Amnesty International, is a prison behind bars. John Pilger and David Munro go undercover in one of the world’s most isolated, and extraordinary countries, Burma, which AmnestyInternational calls ‘a prison without bars’. They discover slave labour preparing for tourism and foreign investment