Syrian

A member of the Syrian government forces inspects a post used by the rebels in the newly captured Al-Safa neighbourhood of Aleppo on December 7, 2016. Rebels in Aleppo called for a five-day truce and the evacuation of civilians Wednesday after losing more than three quarters of their territory including the Old City to a Syrian army offensive.

George Ourfalian/AFP/Getty

A member of the Syrian government forces inspects a post used by the rebels in the newly captured Al-Safa neighbourhood of Aleppo. Photo George Ourfalian/AFP/Getty 

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 

Syrian rebel fighters demonstrate fighting capabilities during a graduation ceremony in the northern Syrian city of Idlib on October 27, 2016.  Syria's conflict erupted in March 2011 with protests calling for the ouster of President Bashar al-Assad.  / AFP PHOTO / Omar haj kadourOMAR HAJ KADOUR/AFP/Getty Images

Omar Haj Kadour/AFP/Getty

Syrian rebel fighters demonstrate fighting capabilities during a graduation ceremony in the northern Syrian city of Idlib. Omar Haj Kadour/AFP/Getty 

Syrian government forces walk in the strategic area of the Bazo hilltop, north of Khan Tuman on the southern outskirts of the northern embattled Syrian city of Aleppo as they advance in the ongoing offensive to the seize rebel-held eastern part of the city on October 25, 2016.

Georges Ourfalian/AFP/Getty

Syrian government forces walk in the strategic area of the Bazo hilltop, north of Khan Tuman on the southern outskirts of the northern embattled Syrian city of Aleppo as they advance in the ongoing offensive to the seize rebel-held eastern part of the city. Photo Georges Ourfalian/AFP/Getty

Rebel fighters arrive in Idlib following their evacuation from Qudssaya and al-Hamah, neighbourhoods of the Syrian capital, on October 14, 2016. / AFP PHOTO/AFP/Getty Images

AFP/Getty

Rebel fighters arrive in Idlib following their evacuation from Qudssaya and al-Hamah, neighbourhoods of the Syrian capital. Photo AFP/Getty 

Participants celebrate during 'I Love Damascus' marathon at Umayyad Square in Damascus,

Omar Sanadiki/Reuters

Participants celebrate during an ‘I Love Damascus’ marathon in Damascus, Syria. The capital has avoided the worst of the country’s five-year war in which over 400,000 people have been killed. Photo Omar Sanadiki/Reuters. 

A member of Syria's pro-government forces guards a look out point as they advance Aleppo's rebel-held Bustan al-Basha neighbourhood on October 6, 2016. "Syrian regime forces advanced from the city centre north into (rebel-held) Bustan al-Basha, and seized a large athletic complex there," the UK-based Syrian Observatory for Human Rights said. This was the first time the regime had entered the district since 2013 and there had been fierce clashes, they added.      This was the first time the regime had entered the district since 2013 and there had been fierce clashes, he added.   / AFP PHOTO / GEORGE OURFALIANGEORGE OURFALIAN/AFP/Getty Images

George Ourfalian/AFP

A member of Syria’s pro-government forces guards a look out point as they advance Aleppo’s rebel-held Bustan al-Basha neighbourhood.”Syrian regime forces advanced from the city centre north into (rebel-held) Bustan al-Basha, and seized a large athletic complex there,” the UK-based Syrian Observatory for Human Rights said. This was the first time the regime had entered the district since 2013 and there had been fierce clashes, they added. Photo George Ourfalian/AFP 

A Syrian man reacts as he sits on the rubble of destroyed buildings following a government forces air strike on the rebel-held neighbourhood of Bustan al-Basha in the northern city of Aleppo, on October 4, 2016. Assad's forces advanced on rebels during intense street fighting in the opposition-held east of Aleppo city, which Russia has been accused of bombing indiscriminately including targeting its hospitals. / AFP PHOTO / THAER MOHAMMEDTHAER MOHAMMED/AFP/Getty Images

Thaer Mohammed/AFP/Getty

A Syrian man reacts as he sits on the rubble of destroyed buildings following a government forces air strike on the rebel-held neighbourhood of Bustan al-Basha in the northern city of Aleppo

 A Syrian man stands in the rubble of destroyed buildings following an air strike in Aleppo's rebel-controlled neighbourhood of Karm al-Jabal on September 18, 2016. Syria's ceasefire was on the brink of collapsing on September 18, after a US-led coalition strike killed dozens of regime soldiers and Aleppo city was hit by its first raids in nearly a week. / AFP PHOTO / KARAM AL-MASRIKARAM AL-MASRI/AFP/Getty Images

Karam Al-Masri/AFP/Getty

A Syrian man stands in the rubble of destroyed buildings following an air strike in Aleppo’s rebel-controlled neighbourhood of Karm al-Jabal 

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 

A fighter from the Jaish al-Islam (Islam Army) runs to avoid sniper fire, in the village of Tal al-Siwan area of the rebel-held stronghold of Douma, on the outskirts of Damascus, on September 5, 2016. / AFP PHOTO / Sameer Al-DoumySAMEER AL-DOUMY/AFP/Getty Images

Sameer Al-Doumy/AFP/Getty

A fighter from the Jaish al-Islam (Islam Army) runs to avoid sniper fire, in the village of Tal al-Siwan area of the rebel-held stronghold of Douma, on the outskirts of Damascus, Syria 

A Syrian man carries a wounded child following a barrel bomb attack on the Bab al-Nairab neighbourhood of the northern Syrian city of Aleppo

Ameer Alhalbi/AFP/Getty

A Syrian man carries a wounded child following a barrel bomb attack on the Bab al-Nairab neighbourhood of the northern Syrian city of Aleppo 

A member of the Kurdish police known as the Asayesh, observes enemy positions from a lookout point in the northeastern Syrian city of Hasakeh during ongoing fighting with regime forces on August 22, 2016. Fierce overnight clashes with regime forces allowed the Kurds to advance mostly in the south of the city, the Syrian Observatory for Human Rights said.   / AFP PHOTO / DELIL SOULEIMANDELIL SOULEIMAN/AFP/Getty Images

Delil Souleiman/AFP/Getty

A member of the Kurdish police known as the Asayesh, observes enemy positions from a lookout point in the northeastern Syrian city of Hasakeh during ongoing fighting with regime forces 

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 

Syrians look at the damage in a street in the ancient Syriac Quarter of the regime-held area of the northern Syrian city of Aleppo following rocket attacks by rebels on July 11, 2016.  Syrian opposition fighters launched a major assault on government-held districts of Aleppo city after the regime severed their only remaining supply route into the city, an AFP correspondent said.   / AFP PHOTO / GEORGE OURFALIANGEORGE OURFALIAN/AFP/Getty Images

George Ourfalian/AFP/Getty

Syrians look at the damage in a street in the ancient Syriac Quarter of the regime-held area of the northern Syrian city of Aleppo following rocket attacks by rebels. Syrian opposition fighters launched a major assault on government-held districts of Aleppo city after the regime severed their only remaining supply route into the city

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 

Civilians and civil defence members look for survivors at a site damaged after Russian air strikes on the Syrian rebel-held city of Idlib, Syria, late May 30, 2016. REUTERS/Khalil Ashawi

Khalil Ashawi/Reuters

Civilians and civil defence members look for survivors at a site damaged after Russian air strikes on the Syrian rebel-held city of Idlib, Syria late on Monday

A boy carries his belongings at a site hit by what activists said was a barrel bomb dropped by forces loyal to Syria's President Bashar al-Assad in Aleppo's al-Fardous district, Syria April 2, 2015. REUTERS/Rami Zayat/File Photo

Rami Zayat/Reuters

A boy carries his belongings at a site hit by what activists said was a barrel bomb dropped by forces loyal to Syria’s President Bashar al-Assad in Aleppo’s al-Fardous district, Syria

A Syrian man walks past destroyed buildings on May 2, 2016, in Aleppo's Bab al-Hadid neighbourhood which was targeted recently by regime air strikes.

Karam Al-Masri/AFP/Getty

A Syrian man walks past destroyed buildings in Aleppo’s Bab al-Hadid neighbourhood which was targeted recently by regime air strikes