Syrian Refugees in Lebanon
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Syrians wait for their appointments at the U.N. refugee agency's registration center in Zahleh, in Lebanon's Bekaa Valley, Dec. 18, 2013.
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A Syrian girl weeps after receiving the measles vaccine from UNICEF nurses at the U.N. refugee agency's registration center in Zahleh, in Lebanon's Bekaa Valley.
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A Syrian refugee stands outside a tent at a makeshift camp in the village of Kfarkahel, in the Kura district near the northern city of Tripoli, Lebanon, Dec. 11, 2013