In this Sept. 2, 2018, file photo, Venezuelan Sandra Cadiz holds up her handmade sign carrying the Spanish message: "Blessed driver, please help us with a ride," as her 10-year-old daughter Angelis stands with her on the road leaving Giron, Colombia, as they make their way to Peru. As rising numbers of Venezuelans flee, those who cannot afford a plane or bus ticket out are going by foot. (AP Photo/Ariana Cubillos)
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