In this Thursday, Oct. 1, 2015 photo, Syrian refugees wait to sign up for a return bus to the Syrian border, at the U.N.-run Zaatari refugee camp near Mafraq, northern Jordan. Growing numbers of Syrian refugees are returning to their war-ravaged homeland from Jordan because they can't survive in exile after drastic aid cuts, can't afford to pay smugglers to sneak them into Europe or are simply homesick. (AP Photo/Raad Adayleh)
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