Rebel fighters hold a position on a front line in the Damascus suburb of Yalda on September 18, 2013 in Syria. AFP PHOTO WARD AL-KESWANI (Photo credit should read WARD AL-KESWANI/AFP/Getty Images)
Rebel fighters hold a position on a front line in the Damascus suburb of Yalda on September 18, 2013 in Syria. AFP PHOTO WARD AL-KESWANI (Photo credit should read WARD AL-KESWANI/AFP/Getty Images)