
In late 2012, Mohammed worked as a volunteer at Dar al-Shifaa, a front-line hospital in Aleppo shown in this Thursday, Oct. 11, 2012. (AP Photo/Manu Brabo)
In late 2012, Mohammed worked as a volunteer at Dar al-Shifaa, a front-line hospital in Aleppo shown in this Thursday, Oct. 11, 2012. (AP Photo/Manu Brabo)