Africa's hidden war

On Location Video: On the front lines of Africa's hidden war

Conflict has raged in Sudan's Nuba Mountains for two years, affecting a million people. But you've probably never heard of it.

On Location Video: On the front lines of Africa's hidden war

Sudan's hidden war in 15 Hipstamatic photos

Sudan's hidden war in 15 Hipstamatic photos

Back to school in Sudan's war-torn Nuba Mountains

Back to school in Sudan's war-torn Nuba Mountains

A New York-born doctor is the only surgeon at this Nuba Mountain trauma center

A New York-born doctor is the only surgeon at this Nuba Mountain trauma center

Hidden war: scores killed, displaced in Sudan's Nuba Mountains

Hidden war: scores killed, displaced in Sudan's Nuba Mountains