A Syrian Army soldier with a Syrian national flag on his head uses his smartphone as people ride buses to be evacuated from the besieged Damascus suburb of Daraya, after an agreement reached on Thursday between rebels and Syria's army, Syria August 26, 2016. REUTERS/Omar Sanadiki - RTX2N685

A Syrian army soldier stands at the entrance of the besieged Damascus suburb of Daraya, before the start of evacuation of residents and insurgents of Daraya, Syria August 26, 2016. REUTERS/Omar Sanadiki - RTX2N47A

A Syrian army soldier looks out from a window as smoke rises from the besieged Damascus suburb of Daraya, before rebels and residents start being evacuated under an agreement reached on Thursday between rebels and Syria's army, August 26, 2016. REUTERS/Omar Sanadiki - RTX2N4HB

Civilians ride a bus to be evacuated from the besieged Damascus suburb of Daraya, after an agreement reached on Thursday between rebels and Syria's army, Syria, August 26, 2016. REUTERS/Omar Sanadiki - RTX2N6FU

A Syrian army soldier stands at the entrance of the besieged Damascus suburb of Daraya, before the start of evacuation of residents and insurgents of Daraya, Syria August 26, 2016. REUTERS/Omar Sanadiki - RTX2N47N

A general view shows buses in Daraya before rebels and residents start being evacuated under an agreement reached on Thursday between rebels and Syria's army, Syria August 26, 2016. REUTERS/Omar Sanadiki - RTX2N65R

Smoke rises from the besieged Damascus suburb of Daraya, before rebels and residents start being evacuated under an agreement reached on Thursday between rebels and Syria's army, August 26, 2016. REUTERS/Omar Sanadiki - RTX2N4IB

Syrian army soldiers wait at the entrance of the besieged Damascus suburb of Daraya, before rebels and residents start being evacuated under an agreement reached on Thursday between rebels and Syria's army, August 26, 2016. REUTERS/Omar Sanadiki - RTX2N4II

Syrian army soldiers are seen around a bus with civilians to be evacuated from the besieged Damascus suburb of Daraya, after an agreement reached on Thursday between rebels and Syria's army, Syria August 26, 2016. REUTERS/Omar Sanadiki - RTX2N6HU

Syrian army soldiers stand at the entrance of the besieged Damascus suburb of Daraya, before the start of evacuation of residents and insurgents of Daraya, Syria August 26, 2016. The Arabic on the wall reads, "Assad's men passed from here". REUTERS/Omar Sanadiki TPX IMAGES OF THE DAY - RTX2N477

Civilians and rebels ride a bus to evacuate the besieged Damascus suburb of Daraya, after an agreement reached on Thursday between rebels and Syria's army, Syria August 26, 2016. REUTERS/Omar Sanadiki - RTX2N684

People ride a bus before being evacuated from the besieged Damascus suburb of Daraya, after an agreement reached on Thursday between rebels and Syria's army, Syria, August 26, 2016. REUTERS/Omar Sanadiki - RTX2N6FK

People ride a bus to be evacuated from the besieged Damascus suburb of Daraya, after an agreement reached on Thursday between rebels and Syria's army, Syria, August 26, 2016. REUTERS/Omar Sanadiki - RTX2N6FX

Syrian Army soldiers wave the Syrian national flag as civilians ride buses to be evacuated from the besieged Damascus suburb of Daraya, after an agreement reached on Thursday between rebels and Syria's army, Syria August 26, 2016. REUTERS/Omar Sanadiki TPX IMAGES OF THE DAY - RTX2N66U

A Syrian Army soldier stands as people ride buses to be evacuated from the besieged Damascus suburb of Daraya, after an agreement reached on Thursday between rebels and Syria's army, Syria August 26, 2016. REUTERS/Omar Sanadiki - RTX2N681

Syrian army soldiers stand at the entrance of the besieged Damascus suburb of Daraya, before the start of evacuation of residents and insurgents of Daraya, Syria August 26, 2016. REUTERS/Omar Sanadiki - RTX2N480