Southern Kordofan, Blue Nile and the Nuba Mountain region straddle Sudan and South Sudan's ethnic and political lines.
The group controls much of the Nuba mountains in Southern Kordofan and launches guerrilla raids in Blue Nile state.
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Like her athletes, her portraits of the Nuba were far less about the individuals she photographed than what their sculpted, muscular bodies represented.
"Erasing the Nuba" is my testimony, as a Rwandan and a journalist, to ensure these people are never referred to in the past tense.
Born and raised in Khartoum, the 18-year old is a living testament to how his Nuba traditions have transcended the mountains, competing from boyhood even within the capital.
The one-night event combines live music with food from some of their favourite Paris restaurants, and will take place at new roof terrace bar, Nuba, overlooking the Seine.
Civilians in the Nuba Mountains have resorted to hiding in rocky outcrops and caves, and piling stones over makeshift foxholes to take cover from the bombing raids.
Why are the Nuba, the heirs of a civilization that once stretched from Cairo to Lake Victoria, asked to shake hands with Haroun, and his murderous gang of "Butchers of Khartoum"?
Khartoum has denied accusations made by human rights groups that its army was carrying out ethnic cleansing in South Kordofan last year against the Nuba people, seen as supporting the rebels.
Bringing people from the Nuba mountains to come and wrestle -- it is something that is historic and never been seen before and it shows that the spirit of the wrestling and the objective in which we created it are working.
On Wednesday, 616 people reached the Yida refugee camp in South Sudan - the highest number yet recorded - escaping hunger and conflict across the border in South Kordofan, a bitterly contested region of Sudan better known as the Nuba Mountains.
Ms Riefenstahl's images of the Nuba did not erase from memory her work as Adolf Hitler's favourite filmmaker, but managed to rehabilitate her as an artist, and all African artists should be grateful for what she has managed to preserve for eternity.
Halima Haroun, 30, who arrived two days ago after a 14-day walk, appeared to speak for most of the refugees when she explained why they had decided to abandon their villages in the Nuba Mountains and the nearby caves where many had spent months hiding.
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