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Associated Press
In this photo taken on Thursday, Feb. 4, 2016, trucks pass through an open border control between Belgium and Luxembourg. European Union countries are poised to reverse a decades-old trend of expanding passport-free travel by invoking an emergency rule to impose controls at several borders for two more years because of the migration crisis, according to European Union documents seen on Friday, Feb. 12, 2016. (AP Photo/Virginia Mayo)

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