A peace agreement, signed last January, ended nearly two decades of civil war in southern Sudan and attracted billions of dollars of foreign investment.
A major reconstruction project is fuelling the economy, but many Sudanese are unable to take advantage.
Al Jazeera's Mohammed Adow reports from Juba.
Sudan's governemnt has accused Darfur's largest refugee camp of harbouring rebel fighters. The Kalma camp is the only one that is permanently protected by United Nations and African Union forces, but residents fear they may be driven out as the military threatens to take action. Al Jazeera's Hoda Abdel-Hamid reports from the camp.