Turkish coast guards stop migrants who try to reach the Greek island of Kos on early August 15, 2015 off the shore of Bodrum, southwest Turkey. Authorities on the island of Kos have been so overwhelmed that the government sent a ferry to serve as a temporary centre to issue travel documents to Syrian refugees -- among some 7,000 migrants stranded on the island of about 30,000 people. AFP PHOTO/BULENT KILIC (Photo credit should read BULENT KILIC/AFP/Getty Images)