TOPSHOTS Syrian girls, carrying school bags provided by UNICEF, walk past the rubble of destroyed buildings on their way home from school on March 7, 2015 in al-Shaar neighbourhood, in the rebel-held side of the northern Syrian city of Aleppo. Heavy fighting shook the Syrian city of Aleppo on march 6, 2015 as the exiled opposition chief said for the first time that President Bashar al-Assad's ouster need not be a pre-condition for peace talks. AFP PHOTO / AMC / ZEIN AL-RIFAI