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.
When Islamists captured northern Mali in 2012, there was a danger that thousands of historical manuscripts might be destroyed. But the Malians know the value of their cultural heritage and organised their rescue. By Philipp Breu