Children fill containers with water in the rebel held al-Maadi district of Aleppo, Syria, August 31, 2016. (Photo by Abdalrhman Ismail/Reuters)





A man and a woman ride a cart in the rebel held al-Maadi district of Aleppo, Syria, August 31, 2016. (Photo by Abdalrhman Ismail/Reuters)





A boy walks past garbage and debris in the rebel-held al-Sheikh Said neighbourhood of Aleppo, Syria September 1, 2016. (Photo by Abdalrhman Ismail/Reuters)





A girl walks along a broken railway track in the rebel-held al-Sheikh Said neighbourhood of Aleppo, Syria September 1, 2016. (Photo by Abdalrhman Ismail/Reuters)





A boy sleeps outdoors in the rebel-held al-Sheikh Said neighbourhood of Aleppo, Syria September 1, 2016. (Photo by Abdalrhman Ismail/Reuters)





Children play along a street in the rebel-held al-Sheikh Said neighbourhood of Aleppo, Syria September 1, 2016. (Photo by Abdalrhman Ismail/Reuters)





Civilians walk past damaged buildings in the rebel-held al-Sheikh Said neighbourhood of Aleppo, Syria September 1, 2016. (Photo by Abdalrhman Ismail/Reuters)





Men sit around their livestock in the rebel-held al-Sheikh Said neighbourhood of Aleppo, Syria September 1, 2016. (Photo by Abdalrhman Ismail/Reuters)





Rebel fighters of al-Jabha al-Shamiya (Levant Front) have their meal in the rebel-held al-Sheikh Said neighbourhood of Aleppo, Syria September 1, 2016. (Photo by Abdalrhman Ismail/Reuters)





Girls pick peppers in the rebel-held al-Sheikh Said neighbourhood of Aleppo, Syria September 1, 2016. (Photo by Abdalrhman Ismail/Reuters)





A man sits in front of closed shops in the rebel-held al-Sheikh Said neighbourhood of Aleppo, Syria September 1, 2016. (Photo by Abdalrhman Ismail/Reuters)





Boys, one of them in a wheelchair, go down a street in the rebel-held al-Sheikh Said neighbourhood of Aleppo, Syria September 1, 2016. (Photo by Abdalrhman Ismail/Reuters)





Civilians carry their belongings while walking to be evacuated, after reports of an agreement between rebels and Syria's army to evacuate civilians and rebel fighters from Moadamiya, in Damascus, Syria September 2, 2016. (Photo by Omar Sanadiki/Reuters)





Civilians carry their belongings while walking near a damaged building in Daraya to be evacuated, after reports of an agreement between rebels and Syria's army to evacuate civilians and rebel fighters from Moadamiya, in Damascus, Syria September 2, 2016. (Photo by Omar Sanadiki/Reuters)





A bus carrying people to be evacuated in Daraya passes a Syrian Army checkpoint, after reports of an agreement between rebels and Syria's army to evacuate civilians and rebel fighters from Moadamiya, in Damascus, Syria September 2, 2016. (Photo by Omar Sanadiki/Reuters)





A woman and a child ride a bus in Daraya while being evacuated, after reports of an agreement between rebels and Syria's army to evacuate civilians and rebel fighters from Moadamiya, in Damascus, Syria September 2, 2016. (Photo by Omar Sanadiki/Reuters)





Syrian army soldiers and civilians inspect the site of an explosion near the town of al Saboura, along a road which leads onto the Beirut-Damascus highway, Syria in this handout picture provided by SANA on September 5, 2016. (Photo by Reuters/SANA)





Syrian army soldiers inspect the damage at the site of two explosions that hit the Arzouna bridge area at the entrance to Tartous, Syria in this handout picture provided by SANA on September 5, 2016. (Photo by Reuters/SANA)





Forces loyal to Syria's President Bashar al-Assad walk past a tank at a military complex, after they recaptured areas in southwestern Aleppo on Sunday that rebels had seized last month, Syria, in this handout picture provided by SANA on September 5, 2016. (Photo by Reuters/SANA)





A general view shows the city of Saidnaya, near Damascus, Syria September 7, 2016. (Photo by Omar Sanadiki/Reuters)





A boy carries a Syrian national flag depicting a picture of Syria's President Bashar al-Assad and girls carry icons of Virgin Mary during a parade, part of Saidnaya Festival, near Damascus, Syria September 7, 2016. (Photo by Omar Sanadiki/Reuters)





A Muslim Sheikh (C-L) chats with a Christian priest while marching with nuns and faithful along a street during Saidnaya Festival, near Damascus, Syria September 7, 2016. (Photo by Omar Sanadiki/Reuters)





An injured man is transported in a pick-up truck after an airstrike in the rebel held Douma neighborhood of Damascus, Syria September 9, 2016. (Photo by Bassam Khabieh/Reuters)





Civil defense members assist an injured man after an airstrike in the rebel held Douma neighborhood of Damascus, Syria September 9, 2016. (Photo by Bassam Khabieh/Reuters)





A boy stands near stacked sweets ahead of eid celebrations in al-Hamidiyah Souq in Damascus, Syria September 10, 2016. (Photo by Omar Sanadiki/Reuters)





Men inspect sweets ahead of eid celebrations in al-Bazourieh Souq in Damascus, Syria September 10, 2016. (Photo by Omar Sanadiki/Reuters)





A man inspect sweets ahead of eid celebrations in al-Bazourieh Souk in Damascus, Syria September 10, 2016. (Photo by Omar Sanadiki/Reuters)





People shop ahead of eid celebrations in al-Hamidiyah Souq in Damascus, Syria September 10, 2016. (Photo by Omar Sanadiki/Reuters)





A rebel fighter walks next to a tank in Jubata al-Khashab, in Quneitra countryside, Syria September 11, 2016. (Photo by Alaa Al-Faqir/Reuters)





Rebel fighters rest on a double bed in Jubata al-Khashab, in Quneitra countryside, Syria September 11, 2016. (Photo by Alaa Al-Faqir/Reuters)





A man stands next to a cow seen through a hole in the wall prior to Eid al-Adha celebrations in the rebel held Douma neighbourhood of Damascus, Syria September 11, 2016. (Photo by Bassam Khabieh/Reuters)





A man shows off the word “I love you” in Arabic written on a sheep prior to Eid al-Adha celebrations in the rebel held Douma neighbourhood of Damascus, Syria September 11, 2016. (Photo by Bassam Khabieh/Reuters)





Syrian men carrying babies make their way through the rubble of destroyed buildings following a reported air strike on the rebel-held Salihin neighbourhood of the northern city of Aleppo, on September 11, 2016. Air strikes have killed dozens in rebel-held parts of Syria as the opposition considers whether to join a US-Russia truce deal due to take effect on September 12. (Photo by Ameer Alhalbi/AFP Photo)





A child waves the Syrian rebels flag as Syrians on wheelchairs participate in a race in Douma, Syria, 08 September 2016. People who suffered disabilities in the Syrian war joined the race held under the slogan “searching for life”. (Photo by Mohammed Badra/EPA)





This photo provided by the Syria Press Center (SPC), an anti-government media group, shows rescue workers using a bulldozer to remove a burned van after airstrikes hit west of the town of Suran in Hama province, Syria, Thursday September 1, 2016, killing a dozen people. Suspected government warplanes carried out a series of airstrikes in Hama amid a lightning advance by insurgents on government-controlled areas in the province. (Photo by Syria Press Center via AP Photo)





This photo provided by the Syria Press Center (SPC), an anti-government media group, shows civilians leaving the town of Suran, in Hama province, Syria, Thursday September 1, 2016. (Photo by Syria Press Center via AP Photo)





This Wednesday, August 31, 2016 photo, provided by the Syrian anti-government activist group Aleppo Media Center (AMC), shows Syrian boys dive into a hole filled with water that was caused by a missile attack in the rebel-held neighborhood of Sheikh Saeed in Aleppo province, Syria. (Photo by Aleppo Media Center via AP Photo)