
Photos: Unrest in Syria
Aleppo Media Center AMC/AP
Syrian civil war in photos —
In this photo provided by the anti-government activist group Aleppo Media Center, Syrian men help survivors out of a building in Aleppo after it was bombed, allegedly by a Syrian regime warplane on Saturday, February 8. The United Nations estimates more than 100,000 people have been killed since the Syrian conflict began in March 2011. Click through to see the most compelling images taken during the conflict, which is now a civil war:

Photos: Unrest in Syria
Mustafa Sultan/Anadolu Agency/Getty Images
Syrian civil war in photos —
Syrians gather at a site hit by barrel bombs, allegedly dropped by a regime helicopter on the opposition-controlled Mesekin Hananu district of Aleppo on February 8.

Photos: Unrest in Syria
AFP/Getty Images
Syrian civil war in photos —
Civilians wave national flags as they take part in a rally in support of Syrian President Bashar al-Assad in Damascus, in a handout photo released by the official Syrian Arab News Agency on February 8.

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MOHAMMED WESAM/AFP/Getty Images
Syrian civil war in photos —
A man stands next to debris in the road following a reported airstrike by Syrian government forces in the northern city of Aleppo on February 8.

Photos: Unrest in Syria
MOHAMMED AL-KHATIEB/AFP/Getty Images
Syrian civil war in photos —
Medical personnel look for survivors after a reported airstrike in Aleppo, Syria, on Saturday, February 1.

Photos: Unrest in Syria
ZEIN AL-RIFAI/AFP/Getty Images
Syrian civil war in photos —
Syrians carry a dead body following an airstrike on February 1.

Photos: Unrest in Syria
AFP PHOTO/MOHAMMED AL-KHATIEB/getty images
Syrian civil war in photos —
A man walks amid debris and dust on January 31.

Photos: Unrest in Syria
MOHAMMED AL-KHATIEB/AFP/Getty Images
Syrian civil war in photos —
An injured man is covered in dust after an airstrike on January 29.

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STRinger/AFP/Getty Images
Syrian civil war in photos —
A man tries to fix electrical wires in a neighborhood of Aleppo, Syria, on January 27.

Photos: Unrest in Syria
AMMAR ABDULLAH/REUTERS/LANDOV
Syrian civil war in photos —
Rebels and civilians check out a crater that activists say resulted from a Syrian government airstrike on an Aleppo bus station on Tuesday, January 21.

Photos: Unrest in Syria
STRINGER/reuters/LANDOV
Syrian civil war in photos —
Men rush to a site that Syrian government forces reportedly hit in Aleppo on January 21.

Photos: Unrest in Syria
MOHAMMED WESAM/AFP/Getty Images
Syrian civil war in photos —
Buildings lie in ruins in Aleppo on Sunday, January 19, after reported air raids by Syrian government planes.

Photos: Unrest in Syria
MAJD ALDEEK/AFP/Getty Images
Syrian civil war in photos —
A Syrian child collects items from a garbage pile on Saturday, January 18, in Douma, northeast of the capital.

Photos: Unrest in Syria
FADI DIRANI/AFP/Getty Images
Syrian civil war in photos —
A piece of exploded mortar lies in a street in Daraya, a city southwest of Damascus, on Friday, January 17.

Photos: Unrest in Syria
STRINGER/reuters/LANDOV
Syrian civil war in photos —
Residents search for survivors in Aleppo on Saturday, December 28, 2013, after what activists said were airstrikes by forces loyal to Syrian President Bashar al-Assad.

Photos: Unrest in Syria
Saad Abobrahim/Reuters/Landov
Syrian civil war in photos —
A man appears distraught after an air raid in Aleppo on Monday, December 23.

Photos: Unrest in Syria
Abdalrhman Ismail/Reuters/Stringer/Landov
Syrian civil war in photos —
Free Syrian Army fighters sit in a damaged house in Old Aleppo on Saturday, December 21.

Photos: Unrest in Syria
MOHAMMED AL-KHATIEB/AFP/Getty Images
Syrian civil war in photos —
People search for survivors amid the rubble after an airstrike in Aleppo on Tuesday, December 17.

Photos: Unrest in Syria
MOHAMMED AL-KHATIEB/AFP/Getty Images
Syrian civil war in photos —
A man sits on the ground after the airstrike in Aleppo on December 17.

Photos: Unrest in Syria
MOHAMMED AL-KHATIEB/AFP/Getty Images
Syrian civil war in photos —
A woman carries children following airstrikes on a rebel area of Aleppo on Sunday, December 15.

Photos: Unrest in Syria
MOHAMMED AL-KHATIEB/AFP/Getty Images
Syrian civil war in photos —
Syrians look at the aftermath of an airstrike on a rebel area of Aleppo on December 15.

Photos: Unrest in Syria
MOHAMMED AL-KHATIEB/AFP/Getty Images
Syrian civil war in photos —
Syrians help a wounded woman following airstrikes in Aleppo on December 15.

Photos: Unrest in Syria
MOHAMMED AL-KHATIEB/AFP/Getty Images
Syrian civil war in photos —
Syrians look at the aftermath of an airstrike on a rebel area of Aleppo on December 15.

Photos: Unrest in Syria
MEDO HALAB/AFP/Getty Images
Syrian civil war in photos —
Syrian rebel fighters clash with pro-government forces in Aleppo on Wednesday, December 11.

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STRinger/AFP/Getty Images
Syrian civil war in photos —
A woman weeps inside a damaged vehicle after forces loyal to President Bashar al-Assad captured the town of Nabak on Monday, December 9.

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AHMAD ABOUD/AFP/Getty Images
Syrian civil war in photos —
A rebel fighter takes position during fighting with government forces in Deir Ezzor on Monday, December 2.

Photos: Unrest in Syria
Jaber al-Helo/AP
Syrian civil war in photos —
Shiite fighters from a group called the Hussein Brigade search for rebels from the Free Syrian Army in Hejeira on Thursday, November 21.

Photos: Unrest in Syria
KARAM AL-MASRI/AFP/Getty Images
Syrian civil war in photos —
Free Syrian Army rebels battle government forces in Aleppo on Monday, November 18.

Photos: Unrest in Syria
AHMAD ABOUD/AFP/Getty Images
Syrian civil war in photos —
A rebel fighter holds his position in a damaged building during clashes with government forces in Deir Ezzor on Monday, November 11.

Photos: Unrest in Syria
AHMAD ABOUD/AFP/Getty Images
Syrian civil war in photos —
A rebel fighter fires during clashes with government forces in Deir Ezzor on November 11.

Photos: Unrest in Syria
FOUAD HALLAK/AFP/Getty Images
Syrian civil war in photos —
A rebel fighter prepares an improvised mortar shell in Aleppo, Syria, on Saturday, November 9.

Photos: Unrest in Syria
KARAM AL-MASRI/AFP/Getty Images
Syrian civil war in photos —
Two injured men are transported on a cart in Aleppo, Syria, following shelling as fighting between pro-government forces and rebels continues on Saturday, October 26.

Photos: Unrest in Syria
Ahmad Aboud/AFP/Getty Images
Syrian civil war in photos —
Rebel fighters hold a position in Deir Ezzor, Syria, on Thursday, October 24.

Photos: Unrest in Syria
Ahmad Aboud/AFP/Getty Images
Syrian civil war in photos —
An opposition fighter stands in the doorway of a building as he smokes a cigarette in Deir Ezzor, Syria, on Tuesday, October 22.

Photos: Unrest in Syria
KARAM AL-MASRI/AFP/Getty Images
Syrian civil war in photos —
People use buckets as they try to extinguish a fire that ignited at a fuel station in Aleppo, Syria, on Sunday, October 20.

Photos: Unrest in Syria
KARAM AL-MASRI/AFP/Getty Images
Syrian civil war in photos —
A Syrian opposition fighter aims a catapult toward regime forces in Aleppo, Syria, on Thursday, October 17.

Photos: Unrest in Syria
ap
Syrian civil war in photos —
Firefighters extinguish a burning vehicle after two mortar rounds struck the Abu Roumaneh area in Damascus, Syria, on Saturday, October 12.

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TAREK ABU Al-FAHEM/AFP/Getty Images
Syrian civil war in photos —
An opposition fighter aims as others run for cover while they hold a position behind burning tires in the Salaheddin district of the northern Syrian city of Aleppo on Wednesday, October 9.

Photos: Unrest in Syria
KARAM AL-MASRI/AFP/Getty Images
Syrian civil war in photos —
An opposition fighter smokes a cigarette as he takes a break following the injury of his friend in the Salaheddin neighborhood of Aleppo on October 9.

Photos: Unrest in Syria
AP
Syrian civil war in photos —
Smoke rises after a mortar shell hit a residential area during fighting between Syrian government forces and rebels in Maaret al-Numan, Syria, on October, 9.

Photos: Unrest in Syria
MOHAMAD JADAAN/AFP/Getty Images
Syrian civil war in photos —
Rebel fighters cover a car in mud for camouflage at an undisclosed location in Syria's northwestern province of Idlib on Tuesday, October 8.

Photos: Unrest in Syria
KARAM AL-MASRI/AFP/Getty Images
Syrian civil war in photos —
Masked female rebel fighters walk alongside their trainer on a street in the Salaheddin district of Aleppo, Syria, on October 8.

Photos: Unrest in Syria
AP
Syrian civil war in photos —
A rebel fighter prays moments before heading into battle in Maaret al-Numan, Syria, on Monday, October 7.

Photos: Unrest in Syria
Stringer/AP
Syrian civil war in photos —
A mother comforts her baby in an area where she and her family have taken shelter after fleeing their village turned battlefield in Syria's Idlib province on Sunday, September 22.

Photos: Unrest in Syria
JM LOPEZ/AFP/Getty Images
Syrian civil war in photos —
A man checks an AK-47 at his gun shop in Aleppo, Syria, on Saturday, September 21.

Photos: Unrest in Syria
AP
Syrian civil war in photos —
Free Syrian Army fighters take cover moments after firing a rocket toward government forces in the Idlib province of northern Syria on Friday, September 20.

Photos: Unrest in Syria
JM LOPEZ/AFP/Getty Images
Syrian civil war in photos —
Rebel fighters inspect a stairwell amid fighting against Syrian government forces on Thursday, September 19, in the Saif al-Dawla district of Aleppo, Syria.

Photos: Unrest in Syria
AP
Syrian civil war in photos —
A Syrian child sits in a village in the Idlib province countryside on September 19.

Photos: Unrest in Syria
ap
Syrian civil war in photos —
Opposition fighters react after returning from the battlefield in the Idlib province countryside on September 19.

Photos: Unrest in Syria
ap
Syrian civil war in photos —
Smoke rises after a bomb was thrown from a helicopter, hitting a rebel position during heavy fighting between troops loyal to Syrian President Bashar al-Assad and opposition fighters in the Idlib province on September 19.

Photos: Unrest in Syria
JM LOPEZ/AFP/Getty Images
Syrian civil war in photos —
Rebel fighters duck behind a barricade from firing in Aleppo on Wednesday, September 18.

Photos: Unrest in Syria
ANWAR AMRO/AFP/Getty Images
Syrian civil war in photos —
AFP reporter Sammy Ketz hits the ground as a Syrian soldier runs past during sniper fire in Maalula on September 18. Ketz and a photographer were reporting on the ancient Christian Syrian town northeast of Damascus.

Photos: Unrest in Syria
ap
Syrian civil war in photos —
A Syrian opposition fighter takes a break on a mountain near a rebel camp in Idlib province on September 18.

Photos: Unrest in Syria
Narciso Contreras/AP
Syrian civil war in photos —
A Free Syrian Army fighter rests inside a cave at a rebel camp in Idlib province on Tuesday, September 17.

Photos: Unrest in Syria
JM LOPEZ/AFP/Getty Images
Syrian civil war in photos —
Volunteers wear protective gear to show a class how to respond to a chemical attack in Aleppo, Syria, on September 15. For two months, Mohammad Zayed, an Aleppo University student, has been training a group of 26 civilians to respond to a chemical attack.

Photos: Unrest in Syria
POCHUYEV MIKHAIL/ITAR-TASS /Landov
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Syria's pro-Assad militia rest near Maalula, Syria, on Friday, September 13.

Photos: Unrest in Syria
Stringer/AFP/Getty Images
Syrian civil war in photos —
Syrian soldiers take aim at rebel fighters positioned in the mountains of the Christian town of Maalula on September 13.

Photos: Unrest in Syria
JM LOPEZ/AFP/Getty Images
Syrian civil war in photos —
Rebels parade at a former military academy north of Aleppo during a September 13 ceremony to mark an agreement to unite two rebel brigade forces.

Photos: Unrest in Syria
ANWAR AMRO/AFP/Getty Images
Syrian civil war in photos —
A fighter of the Popular Front for the Liberation of Palestine General Command squats next to the covered body of an alleged foreign rebel fighter in the Yarmouk refugee camp in the Syrian capital of Damascus on Thursday, September 12.

Photos: Unrest in Syria
ABO SHUJA/AFP/Getty Images
Syrian civil war in photos —
An opposition fighter runs in front of a sniper curtain in the industrial area of Deir Ezzor, Syria, during clashes with regime forces on September 12.

Photos: Unrest in Syria
ANWAR AMRO/AFP/Getty Images
Syrian civil war in photos —
A sheet hangs across an alley way to shield fighters from sniper fire as a fighter of the Popular Front for the Liberation of Palestine General Command walks past destroyed buildings in the Yarmouk refugee camp in Damascus, Syria, on September 12.

Photos: Unrest in Syria
Nour Kelze/Reuters/Stringer/Landov
Syrian civil war in photos —
A Free Syrian Army fighter stands guard inside a damaged house in Aleppo's Qastal al-Harami neighborhood on September 11.

Photos: Unrest in Syria
Muzaffar Salman/Reuters/Landov
Syrian civil war in photos —
Free Syrian Army fighters climb a flight of stairs to take positions near the Hanano barracks on September 11.

Photos: Unrest in Syria
SANA/ap
Syrian civil war in photos —
A Syrian government tank is seen during clashes with Free Syrian Army fighters in Maaloula, Syria, on September 11.

Photos: Unrest in Syria
ANWAR AMRO/AFP/Getty Images
Syrian civil war in photos —
A funeral is held on September 11 for three Christian Syrians killed during battles with an al Qaeda-linked rebel group that took control of the historic Christian town of Maaloula from regime forces during the weekend.

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GIOVANNI DIFFIDENTI/AFP/Getty Images
Syrian civil war in photos —
A man walks through a destroyed residential area of Saraqib, Syria, on Monday, September 9, following repeated airstrikes by government forces.

Photos: Unrest in Syria
KHALED AL-HARIRI/REUTERS/LANDOV
Syrian civil war in photos —
A soldier wears a picture of Syrian President Bashar al-Assad on his chest while at a market in old Damascus on September 8.

Photos: Unrest in Syria
Raje Alsori/REUTERS/LANDOV
Syrian civil war in photos —
A Free Syrian Army fighter prays in a trench in the Damascus suburbs on September 8.

Photos: Unrest in Syria
Hamid Khatib/REUTERS/LANDOV
Syrian civil war in photos —
A Free Syrian Army fighter takes up a shooting position in Aleppo on September 8.

Photos: Unrest in Syria
Nour Fourat/REUTERS/LANDOV
Syrian civil war in photos —
A Free Syrian Army fighter runs for cover in Raqqa province on September 8.

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ABO MHIO/AFP/Getty Images
Syrian civil war in photos —
Buildings are heavily damaged in the Salah al-Din area of Aleppo on September 8.

Photos: Unrest in Syria
Hamid Khatib/reuters/landov
Syrian civil war in photos —
A boy named Issa, 10, carries a mortar shell in a weapons factory of the Free Syrian Army in Aleppo on Saturday, September 7. The boy works with his father in the factory.

Photos: Unrest in Syria
Hamid Khatib/reuters/landov
Syrian civil war in photos —
Issa fixes a mortar launcher in the Aleppo weapons factory on September 7.

Photos: Unrest in Syria
Houssam Abo Dabak/REUTERS/LANDOV
Syrian civil war in photos —
A bedroom lies in ruins after clashes between government forces and rebels around Ariha on September 7.

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stringer/AFP/Getty images
Syrian civil war in photos —
Syrian forces are seen in the Syrian Christian town of Maaloula on September 7.

Photos: Unrest in Syria
stringer/AFP/Getty images
Syrian civil war in photos —
A Syrian soldier prepares large-caliber bullets for a machine gun in Maaloula on September 7.

Photos: Unrest in Syria
Local Comity of Arbeen/ap
Syrian civil war in photos —
A man stands inside a home damaged by heavy shelling in Arbeen, a suburb of Damascus, Syria, on September 7.

Photos: Unrest in Syria
ABU AMAR AL-TAFTANAZ/AFP/Getty Image
Syrian civil war in photos —
Men gather on the remains of a destroyed building after reported airstrikes by Syrian government forces in the rebel-held northwestern Syrian province of Idlib on Thursday, September 5.

Photos: Unrest in Syria
Hamid Khatib/Reuters/Stringer/Landov
Syrian civil war in photos —
A Free Syrian Army fighter takes cover as he watches forces loyal to President Bashar al-Assad near Hanano barracks in Aleppo on September 3.

Photos: Unrest in Syria
Hamid Khatib/Reuters/Stringer/Landov
Syrian civil war in photos —
Free Syrian Army fighters walk inside a damaged house in Aleppo on September 3.

Photos: Unrest in Syria
Hamid Khatib/Reuters/Stringer/Landov
Syrian civil war in photos —
Free Syrian Army fighters talk inside a burnt house in Aleppo on September 3.

Photos: Unrest in Syria
Khalil Ashawi/Reuters/Stringer/Landov
Syrian civil war in photos —
A Free Syrian Army fighter peeks through the curtains of a bedroom in Deir ez-Zor, Syria, on Monday, September 2.

Photos: Unrest in Syria
Khalil Ashawi/Reuters/Stringer/Landov
Syrian civil war in photos —
Free Syrian Army fighters take their positions behind piled sandbags, as one of them points his weapon, in Deir ez-Zor on September 2.

Photos: Unrest in Syria
ABO SHUJA/AFP/Getty Images
Syrian civil war in photos —
A rebel fighter points his weapon at Syrian regime forces in Deir ez-Zor on September 2.

Photos: Unrest in Syria
SANA/AP
Syrian civil war in photos —
Syrian firefighters try to extinguish a fire after a missile hit a residential building in Damascus, Syria, on September 2.

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Ammar al-Arbini/AFP/Getty Images
Syrian civil war in photos —
A U.N. arms expert collects samples during an inspection of a suspected chemical weapons strike site in the Ghouta area outside Damascus on August 29.

Photos: Unrest in Syria
STRINGER/Reuters/LANDOV
Syrian civil war in photos —
People search for belongings in rubble in Raqqa, Syria, on August 29.

Photos: Unrest in Syria
Khalil Ashawi/reuters/landov
Syrian civil war in photos —
Free Syrian Army fighters launch a rocket toward forces loyal to Syrian President Bashar al-Assad in Deir Ezzor on August 29.

Photos: Unrest in Syria
BENJAMIN HILLER/AFP/Getty Images
Syrian civil war in photos —
A Syrian Kurd uses hay to hide another woman in a training session organized by the Kurdish Women's Defense Units on Wednesday, August 28, in a northern Syrian border village. They're preparing if the area comes under attack.

Photos: Unrest in Syria
Bassam Khabieh/REUTERS/landov
Syrian civil war in photos —
Free Syrian Army fighters escort U.N. vehicles with chemical weapons experts on August 28 through a site of a suspected chemical weapons attack outside Damascus.

Photos: Unrest in Syria
Stringer/reuters/landov
Syrian civil war in photos —
A Free Syrian Army fighter takes position behind sandbags in the old city of Aleppo, Syria, on Tuesday, August 27.

Photos: Unrest in Syria
Stringer/AP
Syrian civil war in photos —
A U.N. team leaves its Damascus, Syria, hotel in a convoy on Monday, August 26. The team was to investigate an alleged chemical attack that killed hundreds last week in a suburb of the Syrian capital. Sniper fire hit a vehicle used by the U.N. chemical weapons investigation team multiple times Monday, according to the United Nations.

Photos: Unrest in Syria
stringer/AP
Syrian civil war in photos —
A Syrian soldier walks down a street in Damascus on Saturday, August 24.

Photos: Unrest in Syria
STRINGER/reuters/LANDOV
Syrian civil war in photos —
Pigeons lie dead on the ground on August 24 from after what activists say is the use of chemical weapons by government forces in the Damascus suburb of Arbeen.

Photos: Unrest in Syria
Hassan Ammar/AP
Syrian civil war in photos —
Columns of smoke rise in Barzeh after heavy shelling on Friday, August 23.

Photos: Unrest in Syria
MUZAFFAR SALMAN/reuters/LANDOV
Syrian civil war in photos —
A young Free Syrian Army fighter is reflected in a mirror as he takes position in a house in Aleppo on Thursday, August 22.

Photos: Unrest in Syria
MUZAFFAR SALMAN/reuters/LANDOV
Syrian civil war in photos —
Rebels move around a building in Aleppo on August 22.

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SHAAM NEWS NETWORK/AFP/Getty Images
Syrian civil war in photos —
Syrian rebels claim pro-government forces used chemical weapons to kill citizens outside Damascus on Wednesday, August 21. People inspect bodies in this photo released by the Syrian opposition Shaam News Network.

Photos: Unrest in Syria
FOUAD/AFP/Getty Images
Syrian civil war in photos —
People search the rubble of a bombed building in Aleppo, Syria, on Friday, August 16.

Photos: Unrest in Syria
ALICE Martins/AFP/Getty Images
Syrian civil war in photos —
Men bury the bodies of six members of the same family killed in a bombing in Raqqa on Saturday, August 10.

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JOSEPH EID/AFP/Getty Images
Syrian civil war in photos —
Syrian Army soldiers patrol a devastated street in Homs on Wednesday, July 31.

Photos: Unrest in Syria
Hamid Khatib/reuters/LANDOv
Syrian civil war in photos —
Free Syrian Army fighters move through a hole in a wall in Khan al-Assal on Monday, July 22, after seizing the town.

Photos: Unrest in Syria
karam jamal/reuters/landov
Syrian civil war in photos —
A rebel fighter walks past swings in a deserted playground in Deir al-Zor, Syria, on Sunday, July 21.

Photos: Unrest in Syria
khalil ashaw/reuters/landov
Syrian civil war in photos —
A rebel fighter speaks with a fellow fighter through a hole in a wall in Deir al-Zor on July 21.

Photos: Unrest in Syria
Khalil Ashawi/Reuters/Landov
Syrian civil war in photos —
A Free Syrian Army fighter casts a shadow on a wall as he carries his weapon in a shelter in Deir al-Zor on Thursday, July 18.

Photos: Unrest in Syria
DANIEL LEAL-OLIVAS/AFP/Getty Images
Syrian civil war in photos —
Yahya Sweed, 13, is comforted by his father as he lies on a bed in Kfar Nubul on Tuesday, July 16. The boy was injured by shrapnel, resulting in the amputation of his right leg.

Photos: Unrest in Syria
DANIEL LEAL OLIVAS/AFP/Getty Images
Syrian civil war in photos —
A rebel fighter naps in a trench about 300 feet from the Syrian government forces' positions along the highway connecting Idlib with Latakia on Monday, July 15.

Photos: Unrest in Syria
M LOPEZ/AFP/Getty Images
Syrian civil war in photos —
A rebel fighter uses a hole in the wall of a destroyed school to aim at Syrian government forces in the Izaa district of Aleppo on Sunday, July 14.

Photos: Unrest in Syria
MUZAFFAR SALMAN/reuters/LANDOv
Syrian civil war in photos —
A Free Syrian Army fighter uses a mirror to scope out snipers loyal to Syrian President Bashar al-Assad in Aleppo on Friday, July 12.

Photos: Unrest in Syria
DANIEL LEAL-OLIVAS/AFP/Getty Images
Syrian civil war in photos —
A Free Syrian Army fighter stands over a boy who was injured during shelling in Al-Bara on Monday, July 8.

Photos: Unrest in Syria
STRINGER/Reuters/LANDOV
Syrian civil war in photos —
Members of the Free Syrian Army fire a homemade rocket toward regime forces in Deir al-Zor on Sunday, June 16.

Photos: Unrest in Syria
DANIEL LEAL-OLIVAS/AFP/Getty Images
Syrian civil war in photos —
Syrian rebels leave their position in the northwestern town of Maaret al-Numan on Thursday, June 13. The White House said that the Syrian government has crossed a "red line" with its use of chemical weapons and announced it would start arming the rebels.

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Rami Bleible/Reuters/Landov
Syrian civil war in photos —
Forces loyal to Syrian President Bashar al-Assad are seen near Qusayr on Thursday, May 30.

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Ricardo Garcia Vilanova/AFP/Getty Images
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Syrian rebels take position in a house during clashes with regime forces in the old city of Aleppo on May 22.

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JOSEPH EID/AFP/Getty Images
Syrian civil war in photos —
Syrian army soldiers take control of the village of Western Dumayna north of the rebel-held city of Qusayr on Monday, May 13. Syrian troops captured three villages in Homs province, allowing them to cut supply lines to rebels inside Qusayr town, a military officer told AFP.

Photos: Unrest in Syria
AFP/Getty Images
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Rebel fighters fire at government forces in the northern Syrian city of Aleppo on Sunday, May 12.

Photos: Unrest in Syria
Syrian civil war in photos —
Searchers use a flashlight as they look for survivors among the rubble created by what activists say was a missile attack from the Syrian regime, in Raqqa province, Syria, on April 25.

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MIGUEL MEDINA/AFP/Getty Images
Syrian civil war in photos —
A Kurdish fighter from the "Popular Protection Units" (YPG) takes position inside a building in the majority-Kurdish Sheikh Maqsood area of Aleppo, on Apri. 21.

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MIGUEL MEDINA/AFP/Getty Images
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People walk past destroyed houses in the northern Syrian town of Azaz on Sunday, April 21.

Photos: Unrest in Syria
ABDALGHNE KAROOF/REUTERS/LANDOV
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Free Syrian Army fighters take positions prior to an offensive against government forces in the Khan al-Assal area, near Aleppo on Saturday, April 20.

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DIMITAR DILKOFF/AFP/Getty Images
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Men inspect damage at a house destroyed in an airstrike in Aleppo on April 15.

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DIMITAR DILKOFF/AFP/Getty Images
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Syrian and Kurdish rebel fighters walk in the Sheikh Maqsud district of Aleppo on April 14.

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DIMITAR DILKOFF/AFP/Getty Images
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A female rebel monitors the movement of Syrian government forces in Aleppo's Sheikh Maqsud neighborhood on Thursday, April 11.

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DIMITAR DILKOFF/AFP/Getty Images
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A rebel runs to avoid sniper fire from Syrian government forces in Aleppo on April 11.

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DIMITAR DILKOFF/AFP/Getty Images
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Syrian rebels observe the movement of Syrian government forces around Al-Kendi hospital in Aleppo on Wednesday, April 10.

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LOUAI BESHARA/AFP/Getty Images
Syrian civil war in photos —
Rescue teams and security forces check out the scene of a deadly car bomb explosion in Damascus on April 8.

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DIMITAR DILKOFF/AFP/Getty Images
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The fighting has taken a toll on buildings in Aleppo's Saladin district, seen here on April 8.

Photos: Unrest in Syria
STRINGER/reuters/LANDOV
Syrian civil war in photos —
A Syrian rebel runs for cover in Deir ez-Zor on April 2.

Photos: Unrest in Syria
courtesy Lee Harper
Syrian civil war in photos —
A rebel checks for snipers across the street toward the Citadel in Aleppo, Syria, on Saturday, March 30, in this photo taken by iReporter Lee Harper.

Photos: Unrest in Syria
courtesy Lee Harper
Syrian civil war in photos —
A Free Syrian fighter mourns the death of a friend in Aleppo on March 30, in this photo taken by iReporter Lee Harper.

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BULENT KILIC/AFP/Getty Images
Syrian civil war in photos —
A Syrian opposition fighter runs for cover from Syrian army snipers in Aleppo on Wednesday, March 27.

Photos: Unrest in Syria
BULENT KILIC/AFP/Getty Images
Syrian civil war in photos —
A Syrian girl covers her face to protect herself from fumes as a street covered with uncollected garbage is fumigated in Aleppo on Sunday, March 24.

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BULENT KILIC/AFP/Getty Images
Syrian civil war in photos —
A Syrian man and his family drive past damaged buildings in Maarat al-Numan, on Wednesday, March 20.

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BULENT KILIC/AFP/Getty Images
Syrian civil war in photos —
Syrians carry the body of a Syrian army soldier during a funeral ceremony in Idlib province on Tuesday, March 19.

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JM LOPEZ/AFP/Getty Image
Syrian civil war in photos —
Syrian rebels take position in Aleppo, the largest city in the country, on March 11.

Photos: Unrest in Syria
JM LOPEZ/AFP/Getty Images
Syrian civil war in photos —
Syrian men search for their relatives amongst the bodies of civilians executed and dumped in the Quweiq River on March 11.

Photos: Unrest in Syria
Shaam News Network/reuters/LANDOV
Syrian civil war in photos —
A Free Syrian Army fighter looks back as smoke rises during fighting between rebel fighters and forces loyal to Syria's President Bashar al-Assad on the outskirts of Aleppo on Saturday, March 2.

Photos: Unrest in Syria
STRINGER/reuters/LANDOV
Syrian civil war in photos —
Residents read Shaam News newspapers published by the Free Syrian Army in Aleppo on March 2.

Photos: Unrest in Syria
STRINGER/reuters/LANDOV
Syrian civil war in photos —
A member of the Free Syrian Army reacts to the death of a comrade who was killed in fighting, at Bustan al Qasr cemetery in Aleppo on Friday, March 1.

Photos: Unrest in Syria
BULENT KILIC/AFP/Getty Images
Syrian civil war in photos —
A rebel fighter throws a home-made grenade at Syrian government forces in Aleppo on February 16.

Photos: Unrest in Syria
MUZAFFAR SALMAN/reuters/LANDOV
Syrian civil war in photos —
A member of the Free Syrian Army stands with his weapon as he looks at a rainbow in Aleppo on February 16.

Photos: Unrest in Syria
BULENT KILIC/AFP/Getty Images
Syrian civil war in photos —
A Syrian woman looks through a bus window in Aleppo on February 14.

Photos: Unrest in Syria
GORAN TOMASEVIC/Reuters/LANDOV
Syrian civil war in photos —
Free Syrian Army fighters walk through a dust-filled stairwell in Damascus on February 7.

Photos: Unrest in Syria
ACHILLEAS ZAVALLIS/AFP/Getty Images
Syrian civil war in photos —
A Syrian rebel gestures at comrades from inside a broken armored personnel carrier in Al-Yaqubia on February 6.