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Open Image ModalA Syrian rebel tries on a gas mask seized from a Syrian army factory in the northwestern province of Idlib on July 18, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalSyrian volunteers try to evacuate 8-year-old Mahmud Fayad still trapped under the rubble of a destroyed house after a barrel bomb was dropped from an air force helicopter in Saraqeb in northwestern Syria on July 20, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalIn this photo released by the Syrian official news agency SANA, Syrian citizens gather near damaged cars that were burned after a car bomb exploded in the suburb of Jaramana, Damascus, Syria, Thursday, July 25, 2013. (AP Photo/SANA) (credit:AP)
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Open Image ModalAn Indian Shiite Muslim woman breaks down as she holds a placard during a protest rally organized to condemn an attack on a Shiite shrine in Syria, in Bangalore, India, Friday, July 26, 2013. (AP Photo/Aijaz Rahi) (credit:AP)
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Open Image ModalA Syrian man stands amidst the rubble of the Othman mosque, in Syria's eastern town of Deir Ezzor, on July 24, 2013. (KARAM JAMAL/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalAn injured Syrian man receives medical treatment at a hospital in the town of Ariha, in the northwestern province of Idlib, on July 21, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalThis Tuesday, July 9, 2013 citizen journalism image provided by Aleppo Media Center AMC, which has been authenticated based on its contents and other AP reporting, shows buildings are seen damaged by Syrian government airstrikes and shelling, in the Salah al-Din neighborhood of Aleppo, Syria. (AP Photo/Aleppo Media Center AMC) (credit:AP)
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Open Image ModalSyrian volunteers cry of joy after rescuing 8-year-old Mahmud Fayad who was trapped under the rubble of a destroyed house after a barrel bomb was dropped from an air force helicopter in Saraqeb in northwestern Syria on July 20, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalIn this photo released by the Syrian official news agency SANA, Syrian citizens gather near damaged cars that were burned after a car bomb exploded in the suburb of Jaramana, Damascus, Syria, Thursday, July 25, 2013. (AP Photo/SANA) (credit:AP)
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Open Image ModalSyrians inspect the site where a barrel bomb dropped by an air force helicopter exploded in Saraqeb in northwestern Syria on July 20, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalSyrian men rush a heavily wounded man to hospital in Saraqeb in northwestern Syria after a barrel bomb dropped by an air force helicopter exploded less than 10 metres away from his car on July 20, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalIndian Shiite Muslim women raise slogans as they participate in a rally organized to condemn an attack on a Shiite shrine in Syria, in Bangalore, India, Friday, July 26, 2013. (AP Photo/Aijaz Rahi) (credit:AP)
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Open Image ModalIn this photo released by the Syrian official news agency SANA, Syrian citizens look at a damaged building after a car bomb exploded in the suburb of Jaramana, Damascus, Syria, Thursday, July 25, 2013. (AP Photo/SANA) (credit:AP)
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Open Image ModalSyrians search for survivors under the rubble of a destroyed house after a barrel bomb was dropped from an air force helicopter in Saraqeb in northwestern Syria on July 20, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalDoctors treat a young Syrian girl hit by shrapnel following an air raid in the northern Syrian town of Saraqeb, in the Idlib province, on July 19, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA Syrian girl walks next to the debris of her house, after it was targeted by a missile, in the northwestern Syrian province of Idlib on July 18, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalIn this Wednesday, July 3, 2013 citizen journalism image provided by Lens Young Homsi, which has been authenticated based on its contents and other AP reporting, shows Syrians inspecting the rubble of damaged buildings due to government airstrike and shelling, in the al-Hamidiyyeh neighborhood of Homs province, Syria. (AP Photo/Lens Young Homsi) (credit:AP)
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Open Image ModalA picture taken on July 18, 2013 shows smoke rising from a building after opposition forces attacked a government forces held checkpoint in Syria's northeastern city of Deir Ezzor on July 18, 2013. (ABO SHUJA/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalThis aerial view shows the Zaatari refugee camp on Thursday, July 18, 2013 near the Jordanian city of Mafraq, some 8 kilometers (5 miles) from the Jordan-Syria border. (AP Photo/Mandel Ngan, Pool) AP10ThingsToSee (credit:AP)
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Open Image ModalA rebel fighter points his gun towards pro-government forces' positions during clashes in the Salaheddine district of the northern Syrian city of Aleppo, on July 9, 2013. (JM LOPEZ/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalSyrian children wait in line to collect a free Iftar meal in the northern city of Raqqa during the Muslim holy month of Ramadan on July 14, 2013. (MEZAR MATAR/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA rebel fighter aims his weapon to Syrian government forces' positions inside a destroyed school in the Izaa district of Aleppo, on July 14, 2013. (JM LOPEZ/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA rebel fighter from the Suqur Al-Sham brigades, takes a nap after his night shift in a trench along the highway that connects Idlib city with Latakia, 100m far from the Syrian regime's forces's positions, on July 14, 2013. (DANIEL LEAL OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalIn this citizen journalism image provided by Aleppo Media Center AMC, which has been authenticated based on its contents and other AP reporting, buildings are seen damaged by Syrian government airstrikes and shelling in Aleppo, Syria, Monday, July 8, 2013. (AP Photo/Aleppo Media Center AMC) (credit:AP)
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Open Image ModalFamily members pray over the bodies of two Syrian children, Safia Baour, 14, and her three-year-old brother Khaled, who were killed after a shell landed on their family home as they gathered to break their fast with the iftar meal on July 13, 2013 in Maaret Al-Numan in southern Idlib province. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalSyrian rebels head to the town of Bsankol in the northwestern province of Idlib to join comrades fighting regime forces for the control of the highway that connects Idlib with Latakia on July 11, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalAn opposition fighter stands over seven year old Ahmad Jabir, who was injured alongside some his family members by a shell, as he lies on a X-Ray machine after he brought the boy to a hospital in the town of Al-Bara, in Syria's northwestern province Idlib on July 10, 2013. (DANIEL LEAL-OLIVAS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalSyrian rebels gather outside a building which they blew up to target a regime sniper taking shelter inside but who managed to escape in the Salaheddine district of the northern city of Aleppo on July 10, 2013. (SALAH AL-ASHKAR/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalRebel fighters look up listening as they take positions during clashes with pro-government forces in the Salaheddine district of the northern Syrian city of Aleppo, on July 9, 2013. (JM LOPEZ/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalThis Tuesday, July 9, 2013 citizen journalism image provided by Aleppo Media Center AMC, which has been authenticated based on its contents and other AP reporting, shows Syrian rebels running during heavy clashes with Syrian soldiers loyal to Syrian President Bashar Assad, in the Salah al-Din neighborhood of Aleppo, Syria. (AP Photo/Aleppo Media Center AMC) (credit:AP)
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Open Image ModalRebel fighters break a wall before holding a position during clashes with pro-government forces in the Salaheddine district of the northern Syrian city of Aleppo, on July 9, 2013. (JM LOPEZ/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA rebel fighter speaks on a walkie-talkie as he holds a position in a flat during clashes with pro-government forces in the Salaheddine district of the northern Syrian city of Aleppo, on July 9, 2013. (JM LOPEZ/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalSyrian rebel fighters gather around a former Syrian army tank as rebels prepare to attack positions held by the Syrian army areas in the Salaheddine neighborhood of Aleppo, on July 8, 2013. (ABO MHIO/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalOpposition fighters carry one of their comrades, who died on the front-line, as they were leading an attack on positions held by the government forces in the Salaheddine neighbourhood of Aleppo on July 8, 2013. (ABO AL-NUR SADK/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalAn opposition fighter throws a Molotov cocktail during clashes with Syrian government forces in the Salah al-Din area of the northern city of Aleppo on July 8, 2013. (ZAID REV/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalIn this Tuesday, July 2, 2013 citizen journalism image provided by Aleppo Media Center AMC, which has been authenticated based on its contents and other AP reporting, homes are seen destroyed by Syrian government airstrikes and shelling in the neighborhood of Karam Tarab near Aleppo International Airport in Aleppo, Syria. (AP Photo/Aleppo Media Center AMC) (credit:AP)