ALEPPO, SYRIA - SEPTEMBER 15 : Syrian oppositions clash with Assad regime forces in Aleppo, Syria on September 15, 2015. (Photo by Beha el Halebi /Anadolu Agency/Getty Images)
ALEPPO, SYRIA - SEPTEMBER 15 : Syrian oppositions clash with Assad regime forces in Aleppo, Syria on September 15, 2015. (Photo by Beha el Halebi /Anadolu Agency/Getty Images)