In Mauritania, northwestern Africa, slavery is a fact of modern life. It's estimated that 10-20 percent of the country's 3.5 million people are still enslaved in a system rooted in ethnic discrimination.
The violence unleashed in Libya by the struggle against the Gaddafi regime has spiralled out of control. Young fighters and militia members are reluctant to give up the power they gained by force of arms. The younger generation is politically frustrated and scarred by the trauma of the war. By Valerie Stocker