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MUNICH, GERMANY - SEPTEMBER 6: Refugees who travelled by train to the main railway station 'Munich Hauptbahnhof' leave the train under control by police and enter another one to get to a refugee centre on September 06, 2015 in Munich, Germany. Hundreds of refugees, mainly from Syria and Iraq, arrive in Germany after Hungary has opened his borders for them to travell on to Germany and Austria. (Photo by Joerg Koch/Anadolu Agency/Getty Images)

MUNICH, GERMANY - SEPTEMBER 6: Refugees who travelled by train to the main railway station 'Munich Hauptbahnhof' leave the train under control by police and enter another one to get to a refugee centre on September 06, 2015 in Munich, Germany. Hundreds of refugees, mainly from Syria and Iraq, arrive in Germany after Hungary has opened his borders for them to travell on to Germany and Austria. (Photo by Joerg Koch/Anadolu Agency/Getty Images)