Caption: Volunteers help refugees to approach the coast after engine problems on their dinghy in the northeastern Greek island of Lesbos Wednesday, Nov. 25, 2015. About 5,000 migrants reaching Europe each day over the so-called Balkan migrant route. The refugee crisis is stoking tensions among the countries on the so-called Balkan migrant corridor — Greece, Macedonia, Serbia, Croatia and Slovenia. (AP Photo/Santi Palacios)
