SARSTEDT, GERMANY - DECEMBER 24: Two Syrian migrants dressed as Santa Claus prepare themselves at a shelter for migrants and refugees on December 24, 2015 in Sarstedt, Germany. Thousands of Germans have volunteered in recent months at migrant shelters across the country as Germany seeks to cope with an influx of what will likely be over one million asylum-applicants by the end of 2015. (Photo by Alexander Koerner/Getty Images)
