RIGONCE, SLOVENIA - OCTOBER 26:  A migrant man helps push another in a wheelchair as they are escorted by police through fields towards buses which will take them to Brezice refugee camp on October 26, 2015 in Rigonce, Slovenia. Thousands of migrants marched across the border between Croatia into Slovenia as authorities intensify their efforts to attempt to cope with Europe's largest migration of people since World War II.  (Photo by Jeff J Mitchell/Getty Images)