Venezuelan Belki Contreras relaxes on a hammock inside of an abandoned bus in the border city of Pacaraima, Brazil on April 13, 2019. Tens of thousands of migrants have fled the political and economic upheaval in Venezuela through Pacaraima, the only road crossing to Brazil, creating tension at the border. About 3.7 million people have left Venezuela in recent years, mostly via its western neighbor Colombia, according to the World Bank. (Photo by Pilar Olivares/Reuters)
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