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SALZBURG, AUSTRIA - SEPTEMBER 19: French President Emmanuel Macron arrives at an informal summit of leaders of the European Union on September 19, 2018 in Salzburg, Austria. High on the agenda of the two-day summit is migration policy. (Photo by Sean Gallup/Getty Images)

SALZBURG, AUSTRIA - SEPTEMBER 19:  French President Emmanuel Macron arrives at an informal summit of leaders of the European Union on September 19, 2018 in Salzburg, Austria. High on the agenda of the two-day summit is migration policy.  (Photo by Sean Gallup/Getty Images)