A boy carries a bag on his head as Syrians fleeing the northern embattled city of Aleppo wait on February 5, 2016 in Bab-Al Salama, next to the city of Azaz, northern Syria, near Turkish crossing gate. 
Nearly 40,000 Syrian civilians have fled a regime offensive near Aleppo, a monitor said, as Turkey warned it was bracing for a wave of tens of thousands of refugees. / AFP / BULENT KILIC        (Photo credit should read BULENT KILIC/AFP/Getty Images)