Los ataques con barriles bomba en Alepo son indiscriminados e impredecibles.
A general view seen through a hole in the wall shows a damaged street with a cloth hung used as a barrier from snipers in Aleppo's Saif al-Dawla district March 6, 2015. REUTERS/Hosam Katan (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
A Syrian child is comforted by another youth following a reported barrel bomb strike by Syrian government forces on March 5, 2015 in the Kadi Askar area, in the rebel-held side of the northern Syrian city of Aleppo. Heavy clashes and a regime barrel bomb attack shook Syria's Aleppo after rebels tried to seize an intelligence headquarters in a forceful rejection of UN efforts to reach a ceasefire. AFP PHOTO / AMC / ZEIN AL-RIFAI
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