Wounded Syrians and their families gather at the rebel-held al-Amiriyah neighbourhood as they wait to be evacuated to the government-controlled area of Ramoussa on the southern outskirts of the city on December 15, 2016. Russia, Syrian military sources and rebel officials confirmed that a new agreement had been reached after a first evacuation plan collapsed the day before amid fresh fighting. Syrian state television reported that some 4,000 rebels and their families were to be evacuated. / AFP / KARAM AL-MASRI (Photo credit should read KARAM AL-MASRI/AFP/Getty Images)
Why is Aleppo so important in Syria?
It's been ravaged by violence for years, and if Aleppo falls now it could mark a turning point in Syria's civil war.
01:28 - Source: CNN
Inside Aleppo 15 videos
Wounded Syrians and their families gather at the rebel-held al-Amiriyah neighbourhood as they wait to be evacuated to the government-controlled area of Ramoussa on the southern outskirts of the city on December 15, 2016. Russia, Syrian military sources and rebel officials confirmed that a new agreement had been reached after a first evacuation plan collapsed the day before amid fresh fighting. Syrian state television reported that some 4,000 rebels and their families were to be evacuated. / AFP / KARAM AL-MASRI (Photo credit should read KARAM AL-MASRI/AFP/Getty Images)
Why is Aleppo so important in Syria?
01:28
Now playing
- Source: CNN
aleppo orphans 2
A message from orphans in Aleppo
01:17
Now playing
- Source: CNN
Samantha Power
'Are you truly incapable of shame?'
00:51
Now playing
- Source: CNN
Goodbye Aleppo1
Goodbye messages from Aleppo
01:31
Now playing
- Source: CNN
02 Bana Alabed meets President Erdogan
Syrian girl, evacuee gets presidential meeting
02:02
Now playing
- Source: CNN
crisis as syrian troops advance.jpg
Estimated 100,000 civilians trapped in Aleppo
02:00
Now playing
- Source: CNN
syria aleppo girl bana al-abed karadsheh exclusive pkg_00025710.jpg
A CNN exclusive with Aleppo's 'tweeting' girl
03:12
Now playing
- Source: CNN
aleppo executing civilians karadsheh live_00011002.jpg
Reports of executions as Syrian army closes in
01:54
Now playing
- Source: CNN
aleppo falls syria regime rebels npw orig_00000000.jpg
Mass exodus from Aleppo underway
02:56
Now playing
- Source: CNN
aleppo message
People of Aleppo deliver message to world
01:16
Now playing
- Source: CNN
Syria Bana Alabed
What it's like to be 7-year-old in Aleppo
02:37
Now playing
- Source: CNN
syria aleppo girl bana al-abed karadsheh pkg_00013424.jpg
Mystery surrounds Aleppo girl's Twitter account
01:03
Now playing
- Source: CNN
civilians flee aleppo pleitgen_00014304.jpg
Civilians flee as Syrian army pounds Aleppo
01:54
Now playing
- Source: CNN
TOPSHOT - A general view taken from Aleppo's citadel show fumes rising following shelling on neighbourhoods in the old city on December 7, 2016. / AFP / GEORGE OURFALIAN (Photo credit should read GEORGE OURFALIAN/AFP/Getty Images)
Syrian regime: Be bombed or flee and starve
04:02
Now playing
- Source: CNN
pleitgen syria civilians suffering dnt _00012013.jpg
Civilians caught in the crossfire in Aleppo
02:31
Now playing
- Source: CNN