HEGYESHALOM, HUNGARY - SEPTEMBER 22:  Hundreds of migrants who arrived by train at Hegyeshalom on the Hungarian and Austrian border walk the four kilometres into Austria on September 22, 2015 in Hegyeshalom, Hungary. Thousands of migrants have arrived in Austria over the weekend with more en-route from Hungary, Croatia and Slovenia. Politicians across the European Union are holding meetings on the refugee crisis with EU leaders attending an extraordinary summit on Wednesday to try and solve the crisis and the dispute of how to relocate 120,000 migrants aross EU states.  (Photo by Christopher Furlong/Getty Images)