KOS, GREECE - AUGUST 28:  A man clutches his child as migrant families from Syria arrive in an inflatable dinghy on the beach at sunrise on the island of Kos after crossing a three mile stretch of the Aegean Sea from Turkey on 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 Dan Kitwood/Getty Images)