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ALEPPO, SYRIA - FEBRUARY 18: Kids stand near mortar shells in the center of the Syrian town of Kobani (Ayn al-Arab), Aleppo on February 18, 2015 after it has been freed from Islamic State of Iraq and the Levant (ISIL) forces. While civilians in the eastern parts of the city are refusing entrance to the area on suspicion of a trap, houses in other areas are being presented ready for use by their owners. (Photo by Esber Ayaydin/Anadolu Agency/Getty Images)

ALEPPO, SYRIA - FEBRUARY 18: Kids stand near mortar shells in the center of the Syrian town of Kobani (Ayn al-Arab), Aleppo on February 18, 2015  after it has been freed from Islamic State of Iraq and the Levant (ISIL) forces. While civilians in the eastern parts of the city are refusing entrance to the area on suspicion of a trap, houses in other areas are being presented ready for use by their owners. (Photo by Esber Ayaydin/Anadolu Agency/Getty Images)