A villager holds diamonds dug out from a mine outside the village of Sam Ouandja in northeast Central African Republic in 2007. David Lewis/Reuters/Landov hide caption

itoggle caption David Lewis/Reuters/Landov

Clashes break out between rival Egyptian groups near Cairo's Tahrir square, on Jan. 25, 2014. The day marked the third anniversary of the uprising that toppled former ruler Hosni Mubarak, but the military is back in control in Egypt. Khaled Kamel/AFP/Getty Images hide caption

itoggle caption Khaled Kamel/AFP/Getty Images

Activists protest Uganda's anti-gay legislation in Nairobi, Kenya, this month. LGBT status has been grounds for asylum in the U.S. since 1994, but winning refugee status can be difficult, particularly for people who are unable to obtain visas to the U.S. before applying. Dai Kurokawa /EPA/LANDOV hide caption

itoggle caption Dai Kurokawa /EPA/LANDOV

Soldiers march during a graduation ceremony for recruits of the Libyan army in Tripoli, the capital, on Jan. 16. The military, gutted by years under Moammar Gadhafi and by NATO attacks, faces multiple challenges as it tries to rebuild. Ismail Zitouny/Reuters/Landov hide caption

itoggle caption Ismail Zitouny/Reuters/Landov