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Vehicles enter the Port of Dover in Dover, Britain on Jan. 30, 2020. Britain will leave the European Union (EU) on Jan. 31, 2020. (Xinhua/Han Yan)
Vehicles enter the Port of Dover in Dover, Britain on Jan. 30, 2020. Britain will leave the European Union (EU) on Jan. 31, 2020. (Xinhua/Han Yan)