KOS, GREECE - AUGUST 28: Overcome with exhaustion after swimming the final 50 yards of his journey, a migrant from Syria (C) is helped to shore on the island of Kos after crossing a three mile stretch of the Aegean Sea in a small boat from Turkey August 28, 2015 in Kos, Greece. Migrants from the Middle East and North Africa continue to flood into Europe at a rate that marks the largest migration since World War II. (Photo by Win McNamee/Getty Images)
