Â鶹¹ÙÍøÊ×Ò³Èë¿Ú

Joel Meyerowitz was the only photographer to get into Ground Zero directly after the collapse of the Twin Towers. He talks about the importance of archiving this event for posterity.

Also on the programme: Colonel Gaddafi gets the opera treatment – hip-hop style. Plus, director Stephen Frears talks about his new film, The Queen, which starts with the death of Diana.