The United Nations says more than 2 million people have now fled war in Syria. As families await potential airstrikes from the United States, they are fleeing faster than ever.
Lebanon - Syria border

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Khaled Roushdi goes door to door, identifying refugees' needs and tries to provide them with food, blankets and other necessities. He says the Bekaa Valley is "full" and he doesn't know how it can accommodate more people, Bekaa Valley, Lebanon, Sept. 4, 2013. Photo: H. Murdock/VOA

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Children wait with slips of paper entitling them to collect bread for their families, Bekaa Valley, Lebanon, Sept. 4, 2013. Photo: H. Murdock/VOA

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Syrian families come to centers like this one to get basic needs, like bread from aid workers who say they are in desperate need of donations, Bekaa Valley, Lebanon, Sept. 4, 2013. Photo: H. Murdock/VOA

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Syrian refugees in Lebanon near the borders live in makeshift homes, or abandoned buildings, Bekaa Valley, Lebanon, Sept. 4, 2013. Photo: H. Murdock/VOA