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An elderly woman with scarification marks smokes next to a referendum centre where people can register themselves for the upcoming referendum on independence. Together with many other IDPs (Internally Displaced Persons) she has just returned from Khartoum, the capital in the north, to South Sudan. Many Sudanese, who fled Sudan during the civil war, are returning home, mainly to participate in the upcoming referendum in January 2011, when South Sudan will vote on its independence.