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HADALAT, JORDAN - MAY 4: Syrian refugees arrive at the Jordanian military crossing point of Hadalat at the border with Syria after a long walk through the Syrian desert on May 4, 2016 in Hadalat, Jordan. Coming from the cities of Raqaa, Deir Al-Zor and Hama, roughly 300 hundred refugees crossed into Jordan at Hadalat on Wednesday, while over 5000 refugees crossed in the last four days coming from Aleppo. (Photo by Jordan Pix/ Getty Images)

HADALAT, JORDAN - MAY 4: Syrian refugees arrive at the Jordanian military crossing point of Hadalat at the border with Syria after a long walk through the Syrian desert on May 4, 2016 in Hadalat, Jordan. Coming from the cities of Raqaa, Deir Al-Zor and Hama, roughly 300 hundred refugees crossed into Jordan at Hadalat on Wednesday, while over 5000 refugees crossed in the last four days coming from Aleppo. (Photo by Jordan Pix/ Getty Images)