TARIFA, SPAIN - AUGUST 12:  African migrants stand inside a sports center after being rescued by a Spanish coast guard vessel in the port of Tarifa on August 12, 2014 in Tarifa, Spain. Spain's coast guard said it picked up 835 sub-Saharan Africans who were crossing the Strait of Gibraltar in 81 small boats, part of a surge of migrants across the Mediterranean to Europe's southern shores. (Photo by Sergio Camacho/Getty Images)