In Pictures: A Look at Europe's Migrant Crisis
Europe Migrant Crisis - Sept. 21, 2015
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A girl looks out from a window of a bus which will transport migrants and refugees to a camp, after they were registered by authorities in Brezice, Slovenia.
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A policeman gives written instructions to migrants as they cross the border from Slovenia to Bad Radkersburg, Austria.
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A migrant waits in a wheelchair after crossing the border between Hungary and Austria in Nickelsdorf, Austria, 70 kilometers (43 miles) southeast of Vienna, Sept. 20, 2015.
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Volunteers clean up a train station in Tovarnik, Croatia.
