string(111) "https://nationale-denktank.nl/wp-content/uploads/2018/09/Studenten-maken-kennis-met-Big-Data-e1429183152335.jpg" string(4) "3344" string(111) "https://nationale-denktank.nl/wp-content/uploads/2018/09/Studenten-maken-kennis-met-Big-Data-e1429183152335.jpg"