Syrian refugee families arrive along a beach on the Greek island of Lesbos after crossing part of the Aegean sea from Turkey to Greece in a dinghy on August 16, 2015. Hundreds of refugees, mainly from Syria, are crossing the Aegean Sea from Turkey in search of sanctury in Europe via Greece. AFP PHOTO/ ACHILLEAS ZAVALLIS (Photo credit should read ACHILLEAS ZAVALLIS/AFP/Getty Images)