SZEGED, HUNGARY - SEPTEMBER 06: Migrants and refugees celebrate as they cross the border from Serbia into Hungary along the railway tracks close to the village of Roszke on September 6, 2015 in Szeged, Hungary.After days of confrontation and choas Hungary unexpectedly opened its borders with Austria allowing thousands of migrants to leave the country and travel onto Germany. (Photo by Christopher Furlong/Getty Images)
