ALEPPO, SYRIA - FEBRUARY 12: Members of a Syrian opposition group attack the headquarters of Assad regime forces in the villages of Nubul and al-Zahraa in Aleppo, Syria on February 12, 2016. (Photo by Mustafa Sultan /Anadolu Agency/Getty Images)
ALEPPO, SYRIA - FEBRUARY 12: Members of a Syrian opposition group attack the headquarters of Assad regime forces in the villages of Nubul and al-Zahraa in Aleppo, Syria on February 12, 2016. (Photo by Mustafa Sultan /Anadolu Agency/Getty Images)