1/10Smoke rises after what activists describe as barrel bombs are dropped by government forces in Daraya, near Damascus, Jan. 31, 2014.
2/10A Free Syrian Army fighter holds his weapon as he walks along a damaged street in the besieged area of Homs, Jan. 30, 2014.
3/10A man and children sit around a fire in the besieged area of Homs, Jan. 30, 2014.
4/10Men walk on the rubble of a damaged mosque in the besieged area of Homs, Jan. 30, 2014.
5/10This citizen journalism image provided by Aleppo Media Center shows Syrian men helping a wounded man after a government airstrike in Aleppo, Jan. 29, 2014.
6/10A woman stands along a damaged street in the besieged area of Homs, Syria, Jan. 29, 2014.
7/10A man walks past damaged buildings in the besieged area of Homs, Syria, Jan. 29, 2014.
8/10A girl and boy are shaken as they stand near a site hit by what activists said were barrel bombs dropped by government forces in Aleppo, Syria, Jan. 29, 2014.
9/10People walk on rubble of collapsed buildings at a site hit by what activists said were barrel bombs dropped by government forces in Aleppo, Syria, Jan. 29, 2014.
10/10A young girl cries at a site hit by what activists said were barrel bombs dropped by government forces, Aleppo, Syria, Jan. 29, 2014.
