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9 december 2010 - Juba, South Sudan - Southern Sudanese citizens march in the streets in support of the independence referendum in Juba, South Sudan. The referendum on whether the oil-producing region should declare independence, scheduled for Jan. 9, is the climax of a 2005 peace deal that ended decades of north-south conflict - Africa's longest civil war that was fought over ethnicity, religion, ideology and oil and that killed 2 million people. Photo credit: Benedicte Desrus