In this Wednesday, May 20, 2015 photo, Yemeni refugees gesture trying to hitchhike a ride from their camp to the center of Obock city, to the nearest shop, northern Djibouti. (AP Photo/Mosa’ab Elshamy)
In this Wednesday, May 20, 2015 photo, Yemeni refugees gesture trying to hitchhike a ride from their camp to the center of Obock city, to the nearest shop, northern Djibouti. (AP Photo/Mosa’ab Elshamy)
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