Syria's children: Caught in

the crossfire

A girl, who was injured by what activists said was shelling by forces loyal to Syria's President Bashar al-Assad, stands at the entrance of her house in the Douma neighborhood of Damascus, Syria November 22, 2015. REUTERS/Bassam Khabieh

A boy runs as he rushes away from a site hit by what activists said were airstrikes by forces loyal to Syria's President Bashar al-Assad in the Douma neighborhood of Damascus, Syria August 24, 2015. REUTERS/Bassam Khabieh

A medic carries an injured girl that survived under debris from what activists said was barrel bombs dropped by forces loyal to Syria's President Bashar Al-Assad in Douma, eastern Ghouta, near Damascus, Syria August 22, 2015. REUTERS/Bassam Khabieh

A woman pushes a baby stroller as she rushes away after what activists said were airstrikes by forces loyal to Syria's President Bashar al-Assad on a busy marketplace in Douma, near Damascus, Syria August 12, 2015. REUTERS/Bassam Khabieh

An injured man helps an injured boy who survived what activists said were airstrikes by forces loyal to Syria's President Bashar al-Assad, in the Douma neighborhood of Damascus, Syria August 30, 2015. REUTERS/Bassam Khabieh

Ghazal, 4, (L) and Judy, 7, carrying 8-month-old Suhair, react after what activists said was shelling by forces loyal to Syria's President Bashar al-Assad near the Syrian Arab Red Crescent center in the Douma neighborhood of Damascus May 6, 2015. REUTERS/Bassam Khabieh

A medic carries an injured girl that survived under debris from what activists said was barrel bombs dropped by forces loyal to Syria's President Bashar Al-Assad in Douma, eastern Ghouta, near Damascus, Syria August 22, 2015. REUTERS/Bassam Khabieh

Girls who survived what activists said was a ground-to-ground missile attack by forces of Syria's President Bashar al-Assad, hold hands at Aleppo's Bab al-Hadeed district April 7, 2015. REUTERS/Abdalrhman Ismail

A man holds a girl, who survived what activists said was heavy shelling by forces loyal to Syria's President Bashar al-Assad in the Douma neighborhood of Damascus June 16, 2015. REUTERS/Bassam Khabieh

A Kurdish People's Protection Units (YPG) fighter carries a boy injured by what they said was a mine after they fled Maskana town in the Aleppo countryside and make their way towards the Turkish border in Tel Abyad town, Raqqa governorate, June 16, 2015. REUTERS/Rodi Said

Injured girls lie in a field hospital, after what activists said was an airstrike by forces loyal to Syria's President Bashar al-Assad, in the Duma neighborhood of Damascus, February 3, 2015. REUTERS/ Mohammed Badra

A woman carries a son while tending to the wounds of another son inside a field hospital after what activists said was shelling by forces of Syria's President Bashar al-Assad in the Douma neighborhood of Damascus, Eastern Ghouta, Syria November 19, 2015. REUTERS/Bassam Khabieh

A wounded boy sits at a field hospital after what activists said was an air strike by forces of Syria's President Bashar al-Assad in the Duma neighborhood of Damascus, February 2, 2015. REUTERS/Mohammed Badra

A boy leans on a wooden board inside a damaged house in the town of Douma, eastern Ghouta in Damascus November 5, 2015. REUTERS/Bassam Khabieh

A civil defence member carries an injured baby that survived from under debris at a site hit by what activists said was an airstrike by forces loyal to Syria's President Bashar al-Assad in the town of Marshamsha in the southern part of Idlib province, Syria October 20, 2015. REUTERS/Khalil Ashawi

A boy stands on rubble as people try to put out a fire after what activists said were airstrikes followed by shelling by forces loyal to Syria's President Bashar al-Assad in the Douma neighborhood of Damascus, February 9, 2015. REUTERS/ Mohammed Badra

An injured boy reacts in a field hospital after what activists said were air strikes by forces loyal to Syria's President Bashar al-Assad in the Douma neighborhood of Damascus March 13, 2015. REUTERS/Mohammed Badra

An injured girl reacts at a site hit by what activists said were barrel bombs dropped by forces of Syria's President Bashar al-Assad, in the old city of Aleppo June 7, 2015. REUTERS/Abdalrhman Ismail

A girls reacts at a site hit by what activists said were two barrels bombs, dropped by forces loyal to Syria's President Bashar al-Assad, in the northwestern Homs district of Al Waer, February 7, 2015. REUTERS/Stringer

The body of a dead girl is seen after Syrian government forces fired missiles on a busy marketplace in the Douma neighborhood of Damascus, Syria October 30, 2015. REUTERS/Bassam Khabieh