Zheng Shiqing arrives in the town of Tulcan on Ecuador's Colombian border. Source: Evelio Contreras/ CNN
Mandatory Credit: Evelio Contreras/CNN
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The ‘walking route’: How an underground industry is helping migrants flee China for the US
They come with backpacks carrying a few spare changes of clothes and whatever money and phones they weren’t robbed of by criminals or cartels along the way, arriving at the United States-Mexico border exhausted from the stress of the journey north.
