In Pictures: A Look at Europe's Migrant Crisis
Europe Migrant Crisis - Sept. 17, 2015

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A group of migrants walk on the road near Bezdan, Serbia, towards Croatia. Thousands of migrants poured into Croatia, setting up a new path toward Western Europe after Hungary used tear gas and water cannons to keep them out of its territory.

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A man carrying two children walks along a bridge over the Danube river between Serbia and Croatia, near Batina.

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The "Horgos 2" border crossing into Hungary, near Horgos, Serbia.

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Refugees wait on a bridge after police stopped them at the border between Austria and Germany in Salzburg, Austria.