A Sudanese girl is embraced by her sister at Abushouk camp near El Fasher, the capital of North Darfur state, November 23 2004.

Women line up for food rations at Abushouk camp near El Fasher in Sudan's troubled Northern Darfur province, where months of ethnic conflict has forced tens of thousands of tribal villagers to flee their homes, October 31 2004.

Sudan Liberation Army rebels cheer as they speed across the desert east of El Fasher, the capital of North Darfur state, November 8 2004.

Sudan Liberation Army (SLA) rebels walk through an unidentified village in the desert west of El Fasher, the capital of North Darfur state, November 8 2004.

A boy sleeps in the shade of grass shelter at Zam Zam camp near El Fasher, the capital of North Darfur state, November 22 2004.

A girl displaced by fighting in the troubled Darfur region of western Sudan rests against a flimsy shack at Abushouk camp near El Fasher, the capital of North Darfur state, October 31 2004.

Sudan Liberation Army rebels ride on the front of a truck with a bullet-ridden windscreen into mountain village of Deribat South Darfur, November 2004

Sudan Liberation Army (SLA) rebel passes an abandoned building in the desert west of El Fasher, North Darfur, November 2004.

A Sudanese woman prepares tea at a weekly market run by displaced villagers who have sought safety at Kebkabiya in North Darfur state, November 19 2004.

A displaced Sudanese women collect water at a communal pump in Kekabiya, north Darfur, November 17 2004.

Children attend an outdoor class at Gassire, a camp for displaced Chadians who have fled fighting around the eastern town of Gos Beida near the Sudanese border, June 7 2008.

Madina Yakoub, 15, lies on her back as a woman (C) blackens her lips with charcoal and oil in a traditional rite of passage at Gassire, a camp for displaced Chadians who have fled fighting around the eastern town of Gos Beida near the Sudanese border, June 7 2008. Reflecting the violence in Darfur that has swept in both directions across the Chad-Sudan border, there are 250,000 Sudanese refugees scattered in a dozen camps in eastern Chad and 180,000 internally displaced Chadians, U.N. officials say.

Refugees who fled the conflict in Sudan's western Darfur region ride donkeys into a dust storm at Djabal camp near Gos Beida in eastern Chad, June 19 2008.