MIDEAST-CRISIS/SYRIA(01 of14)
Open Image ModalRebel fighters and civilians gather as they wait to be evacuated from a rebel-held sector of eastern Aleppo, Syria December 16, 2016. REUTERS/Abdalrhman Ismail TPX IMAGES OF THE DAY (credit:Abdalrhman Ismail / Reuters)
MIDEAST-CRISIS/SYRIA(02 of14)
Open Image ModalRebel fighters and civilians gather as they wait to be evacuated from a rebel-held sector of eastern Aleppo, Syria December 16, 2016. REUTERS/Abdalrhman Ismail (credit:Abdalrhman Ismail / Reuters)
MIDEAST-CRISIS/SYRIA(03 of14)
Open Image ModalA child sleeps while waiting to be evacuated with others from a rebel-held sector of eastern Aleppo, Syria December 17, 2016. REUTERS/Abdalrhman Ismail (credit:Abdalrhman Ismail / Reuters)
MIDEAST-CRISIS/SYRIA(04 of14)
Open Image ModalChildren play while waiting to be evacuated with others from a rebel-held sector of eastern Aleppo, Syria December 17, 2016. REUTERS/Abdalrhman Ismail (credit:Abdalrhman Ismail / Reuters)
MIDEAST-CRISIS/SYRIA(05 of14)
Open Image ModalRebel fighters and civilians wait to be evacuated from a rebel-held sector of eastern Aleppo, Syria December 17, 2016. REUTERS/Abdalrhman Ismail (credit:Abdalrhman Ismail / Reuters)
MIDEAST-CRISIS/SYRIA-EVACUATION(06 of14)
Open Image ModalAmbulances and buses evacuating people drive out of a rebel-held part of Aleppo, Syria December 15, 2016. REUTERS/Omar Sanadiki TPX IMAGES OF THE DAY (credit:Omar Sanadiki / Reuters)
MIDEAST-CRISIS/SYRIA-EVACUATION(07 of14)
Open Image ModalA bus evacuating people from a rebel-held part of eastern Aleppo, is seen driving past a member of forces loyal to Syria\'s President Bashar al-Assad, Syria December 15, 2016. REUTERS/Omar Sanadiki (credit:Omar Sanadiki / Reuters)
Evacuation of civilians in Aleppo(08 of14)
Open Image ModalALEPPO, SYRIA - DECEMBER 19 : Syrians try to get warm as they wait to be evacuated from the east part of Aleppo that had been under siege by Assad Regime forces and its supporter foreign terrorist groups at a crossing point at Amiriyah district of Aleppo in Syria on December 19, 2016. (Photo by Jawad Al Rifai/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Evacuation of civilians in Aleppo(09 of14)
Open Image ModalALEPPO, SYRIA - DECEMBER 19: Syrians wait to be evacuated from the east part of Aleppo that had been under siege by Assad Regime forces and its supporter foreign terrorist groups at a crossing point at Rashideen town of Aleppo in Syria on December 19, 2016. (Photo by Aref Watad/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Evacuation of civilians in Aleppo(10 of14)
Open Image ModalALEPPO, SYRIA - DECEMBER 19: Syrians wait to be evacuated from the east part of Aleppo that had been under siege by Assad Regime forces and its supporter foreign terrorist groups at a crossing point at Rashideen town of Aleppo in Syria on December 19, 2016. (Photo by Aref Watad/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Evacuation of civilians in Aleppo(11 of14)
Open Image ModalALEPPO, SYRIA - DECEMBER 18 : Syrians wait to be evacuated from the east part of Aleppo that had been under siege by Assad Regime forces and its supporter foreign terrorist groups at a crossing point at Amiriyah district of Aleppo in Syria on December 18, 2016. (Photo by Ebu Eymen/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Evacuation of civilians in Aleppo(12 of14)
Open Image ModalALEPPO, SYRIA - DECEMBER 18 : Syrians wait to be evacuated from the east part of Aleppo that had been under siege by Assad Regime forces and its supporter foreign terrorist groups at a crossing point at Amiriyah district of Aleppo in Syria on December 18, 2016.\n\n\n\n (Photo by Ebu Eymen/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Evacuation of civilians in Aleppo(13 of14)
Open Image ModalALEPPO, SYRIA - DECEMBER 18 : Syrians wait to be evacuated from the east part of Aleppo that had been under siege by Assad Regime forces and its supporter foreign terrorist groups at a crossing point at Amiriyah district of Aleppo in Syria on December 18, 2016.\n\n\n\n (Photo by Ebu Eymen/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Evacuation of civilians in Aleppo(14 of14)
Open Image ModalALEPPO, SYRIA - DECEMBER 16 : People wait at a crossing point at Amiriyah district of Aleppo, Syria on December 16, 2016 to evacuate civilians, trying to flee from East Aleppo that had been under siege by Iran led Shiite militias and Assad Regime forces.\n (Photo by Jawad al Rifai/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)