Damascus

Members of the Syrian Civil Defence, known as the White Helmets, evacuate a child during a training session in the rebel-held eastern Ghouta area, east of the capital Damascus, on November 22, 2016.   / AFP PHOTO / AMER ALMOHIBANYAMER ALMOHIBANY/AFP/Getty Images

Amer Almohibany/AFP/Getty

Members of the Syrian Civil Defence, known as the White Helmets, evacuate a child during a training session in the rebel-held eastern Ghouta area, east of the capital Damascus 

Syrian children ride a bicycle in the rebel-held town of Douma on the eastern outskirts of the capital Damascus on November 13, 2016. Douma, the largest town in the Eastern Ghouta area with more than 100,000 residents, is surrounded and regularly shelled by regime forces. / AFP PHOTO / Abd DoumanyABD DOUMANY/AFP/Getty Images

Abd Doumany/AFP/Getty

Syrian children ride a bicycle in the rebel-held town of Douma on the eastern outskirts of the capital Damascus. Douma, the largest town in the Eastern Ghouta area with more than 100,000 residents, is surrounded and regularly shelled by regime forces. Photo Abd Doumany/AFP/Getty 

Abu Omar's daughters Ghazal and Deema (R) sit in the shelter the rebel-held town of Douma, on the eastern outskirts of Damascus, on October 30, 2016. Abu Omar, with the help of his neighbour, was able to dig and prepare an underground shelter consisting of a single room in the space of 2 weeks. The shelter is 4 meters below ground and has an air vent for emergencies. / AFP PHOTO / Sameer Al-DoumySAMEER AL-DOUMY/AFP/Getty Images

Sameer Al-Doumy/AFP/Getty Images

Abu Omar’s daughters Ghazal and Deema (right) sit in the shelter the rebel-held town of Douma, on the eastern outskirts of Damascus. Abu Omar, with the help of his neighbour, was able to dig and prepare an underground shelter consisting of a single room in the space of two weeks. The shelter is four meters below ground and has an air vent for emergencies. Photo Sameer Al-Doumy/AFP/Getty Images

Civil defense members carry an injured man after an air strike in the rebel-held Douma neighbourhood of Damascus, Syria October 12, 2016. REUTERS/Bassam Khabieh     TPX IMAGES OF THE DAY

Bassam Khabier/Reuters

Civil defense members carry an injured man after an air strike in the rebel-held Douma neighbourhood of Damascus, Syria. Photo Bassam Khabier/Reuters

yrian boy rides a donkey as they play in the rebel-held town of Douma, on the eastern edges of the capital Damascus, on the second day of Eid al-Adha Muslim holiday on September 13, 2016. / AFP PHOTO / Sameer Al-DoumySAMEER AL-DOUMY/AFP/Getty Images

Sameer Al-Doumy/AFP/Getty

Syrian boy rides a donkey as they play in the rebel-held town of Douma, on the eastern edges of the capital Damascus, on the second day of Eid al-Adha

A Syrian man and his son pray over the grave of a relative at a cemetery in the rebel-held town of Douma, east of the capital Damascus, on September 12, 2016, on the first day of the Muslim holiday of Eid al-Adha. / AFP PHOTO / Sameer Al-DoumySAMEER AL-DOUMY/AFP/Getty Images

Sameer Al-Doumy/AFP/Getty

A Syrian man and his son pray over the grave of a relative at a cemetery in the rebel-held town of Douma, east of the capital Damascus 

picture released by the official Syrian Arab News Agency (SANA) on September 12, 2016, shows Syrian President Bashar al-Assad (C-L) walking on a street alongside officials after performing the morning Eid al-Adha prayer at a mosque in a government-controlled area of Daraya.

SANA/AFP/Getty

A picture released by the official Syrian Arab News Agency (SANA) shows Syrian President Bashar al-Assad (C-L) walking on a street alongside officials after performing the morning Eid al-Adha prayer at a mosque in a government-controlled area of Daraya.

A man fills barrels with rubble to make a barricade to protect shops in the rebel held Douma neighbourhood of Damascus, Syria

Bassam Khabieh/Reuters

A man fills barrels with rubble to make a barricade to protect shops in the rebel held Douma neighbourhood of Damascus, Syria 

A man stands amid the damage after an airstrike in the rebel held Douma neighbourhood of Damascus, Syria August 22, 2016. REUTERS/Bassam Khabieh

Bassam Khabieh/Reuters

A man stands amid the damage after an airstrike in the rebel held Douma neighbourhood of Damascus, Syria 

Syrian children run amidst heavily damaged buildings during an activity organised by a charity group in Jobar, a rebel-held district on the eastern outskirts of the capital Damascus

Amer Almohibany/AFP

Syrian children run amidst heavily damaged buildings during an activity organised by a charity group in Jobar, a rebel-held district on the eastern outskirts of the capital Damascus

A farmer harvests wheat in a field at night, fearing shelling in daylight, in the rebel held besieged town of Douma, eastern Ghouta in Damascus, Syria early morning June 24, 2016. REUTERS/Bassam Khabieh

Bassam Khabieh/Reuters

A farmer harvests wheat in a field at night, fearing shelling in daylight, in the rebel held besieged town of Douma, eastern Ghouta in Damascus, Syria 

A handout picture released by the official Syrian Arab News Agency (SANA) on June 7, 2016 shows Syrian President Bashar al-Assad waving before addressing the new parliament in Damascus. Assad addressed the new parliament in a speech broadcast on state television congratulating lawmakers on a record turnout in an April general election. Assad's last address to parliament was in June 2012, just after general elections in May of that year. / AFP PHOTO / SANA / HO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SANA" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTSHO/AFP/Getty Images

AFP/Getty

Syrian President Bashar al-Assad waves before addressing the new parliament in Damascus 

TOPSHOT - An injured Syrian man walks ho...TOPSHOT - An injured Syrian man walks holding his daughter's hand in Tishreen, a northern suburb of the capital Damascus, on March 22, 2016.  / AFP PHOTO / Sameer Al-DoumySAMEER AL-DOUMY/AFP/Getty Images

Sameer Al-Doumy/AFP

An injured Syrian man walks holding his daughter’s hand in Tishreen, a northern suburb of the capital Damascus 

Khaled Kassmou, 70, sits along a street in the rebel held Qaboun neighborhood of Damascus...Khaled Kassmou, 70, sits along a street in the rebel held Qaboun neighborhood of Damascus, Syria March 13, 2016. Picture taken March 13, 2016. REUTERS/Bassam Khabieh

Bassam Khabieh/Reuters

Khaled Kassmou, 70, sits along a street in the rebel held Qaboun neighbourhood of Damascus, Syria 

TOPSHOT - Residents and activists hold a...TOPSHOT - Residents and activists hold a giant a pre-Baath Syrian flag, now used by the Syrian opposition, during an anti-regime protest in the rubble of destroyed buildings in the neighbourhood of Jobar, on the eastern outskirts of the capital Damascus, on March 3, 2016. / AFP / AMER ALMOHIBANYAMER ALMOHIBANY/AFP/Getty Images

Amer Almohibany/AFP

Residents and activists hold a giant a pre-Baath Syrian flag, now used by the Syrian opposition, during an anti-regime protest in the rubble of destroyed buildings in the neighbourhood of Jobar, on the eastern outskirts of the capital Damascus

Children attend a party for children affected by war and in need for psychological support, in the Douma neighborhood of Damascus...Children attend a party for children affected by war and in need for psychological support, in the Douma neighborhood of Damascus, Syria January 24, 2016. The party was organized by the Syrian Arab Red Crescent. Picture taken January 24, 2016. REUTERS/Bassam Khabieh

Bassam Khabieh/Reuters

Children attend a party for children affected by war and in need for psychological support, in the Douma neighborhood of Damascus, Syria.The party was organised by the Syrian Arab Red Crescent

..A child from the Abu Sleiman family has a lunch at his house in the Syrian town of Beit Nayem, in the rebel-held Eastern Ghouta region on the outskirts of the capital Damascus. Abu Sleiman, 39, has eleven children and two wives. He got injured in 2014 in a Syrian government air strike on his house in the nearby village of Marj al-Sultan and cannot work anymore.

Amer Almohibany/AFP

A child from the Abu Sleiman family has a lunch at his house in the Syrian town of Beit Nayem, in the rebel-held Eastern Ghouta region on the outskirts of the capital Damascus

Syrians evacuate a wounded man on a stretcher following a reported airstrike by Syrian government forces in Damascus' rebel-held suburb of Zamalka, on January 6, 2016. Government and rebel bombardment killed at least 20 civilians and wounded dozens in the Syrian capital and a nearby opposition bastion, state media and a monitoring group said.

Abdul Monam Eassa/AFP

Syrians evacuate a wounded man on a stretcher following an airstrike by Syrian government forces in Damascus’ rebel-held suburb of Zamalka, on Wednesday

A wounded Syrian boy cries at a makeshif...A wounded Syrian boy cries at a makeshift hospital following a reported air strike by government forces in the rebel-held area of Douma, east of the capital Damascus, on November 18, 2015. AFP PHOTO / ABD DOUMANYABD DOUMANY/AFP/Getty Images

Abd Doumany/AFP

A wounded Syrian boy cries at a makeshift hospital following a reported air strike by government forces in the rebel held area of Douma, east of the capital Damascus 

Syrian children walk past the rubble of destroyed buildings in the rebel-held area of Douma, east of the Syrian capital Damascus

Abd Doumany/AFP/Getty Images

Syrian children walk past the rubble of destroyed buildings in the rebel-held area of Douma, east of the Syrian capital Damascus