BBC Panorama team report undercover from North Korea
15 April 2013 Last updated at 23:41 BST
North Korea has marked the birth of its founder Kim Il-sung with a day of celebrations, despite the worldwide controversy about its nuclear weapons programme.
But the harsh reality of life in the secretive state has been recorded by a BBC team filming undercover with a group of university students on an official tour.
This report is by John Sweeney and the BBC Panorama team.