Changing face of migrant crisis in Mediterranean

From waves of dinghies setting off from Libya to the appearance of privately-funded rescue ships, the face of the migration crisis in the Mediterranean has changed greatly over the past few years.Up until 2014, people traffickers took migrants headed for Europe out into international waters on "mother ships" before transferring them to smaller boats.In early 2015 many Syrians -- who had previously accounted for about 25 percent of passengers departing from Libya and could afford to pay more for