Transit zone for migrants at Budapest Keleti railway station [Getty Images]

BUDAPEST, HUNGARY - AUGUST 30: Migrants camp in a transit zone at Keleti railway station in Budapest, Hungary on August 30, 2015. The Hungarian government operates transit zones for migrants arriving in the country, in order to accommodate them before they leave the country, on their way west. (Photo by Arpad Kurucz/Anadolu Agency/Getty Images)

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