Refugees and migrants gather at a makeshift camp on the Serbian side of at the Hungarian border near the town of Horgos, on September 17, 2015, the day after Hungarian riot police fired tear gas and water cannon at crowds of refugees and migrants desperate to cross the border from Serbia, while others carved out a new route and headed for Croatia. AFP PHOTO / ARMEND NIMANI        (Photo credit should read ARMEND NIMANI/AFP/Getty Images)