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FREILASSING, GERMANY - SEPTEMBER 14: Police register refugees at a train station on September 14, 2015 in Freilassing, Germany. Germany has temporarily introduced controls along its border with Austria in an attempt to reduce the number of asylum seekers arriving in the country. (Photo by Sebastian Widmann/Anadolu Agency/Getty Images)

FREILASSING, GERMANY - SEPTEMBER 14:  Police register refugees at a train station on September 14, 2015 in Freilassing, Germany.  Germany has temporarily introduced controls along its border with Austria in an attempt to reduce the number of asylum seekers arriving in the country. (Photo by Sebastian Widmann/Anadolu Agency/Getty Images)