Pupils sit in a classroom during a lesson in the Ephatha Primary School in Juba, on March 25, 2014. Peace talks between South Sudan's government and rebels resumed in Ethiopia on Tuesday, mediators said, urging both sides to return to a moribund ceasefire agreement. The talks, mediated by regional bloc IGAD, are aimed at ending the three-month-old conflict  which has killed thousands and displaced nearly one million people. AFP PHOTO/Ivan LIEMAN        (Photo credit should read Ivan Lieman/AFP via Getty Images)