Europe migrant crisis in pictures.
Europe Migrant Crisis - Sept. 3, 3015

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Migrants approach the border checkpoint in the northern Greek town of Idomeni, and cross into southern Macedonia, Sept. 3, 2015. Macedonia has borne the brunt of a massive refugee and migration flow of people heading into the European Union, with more than 200,000 people arriving so far this year.

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Migrants receive a juice donation in front of the railway station in Budapest, Hungary, Sept. 3, 2015. More than 150,000 migrants have reached Hungary this year, most coming through the southern border with Serbia. Many apply for asylum, but quickly try to leave for richer EU countries.

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Migrants stand near the camp known as the New Jungle in Calais, northern France, Sept. 2, 2015. Britain and France are fortifying control of the Channel Tunnel and boosting intelligence efforts against traffickers as they try to dissuade thousands of migrants from trying to make the illegal and sometimes deadly undersea journey to British shores.