In the 1960s there was a lot of work in the Netherlands, but there were not enough people willing or able to do that work. Dutch companies started looking for people in other countries such as Greece, Turkey and Morocco. They came here to do heavy work in factories or ports and were called guest workers. Nizar meets 11-year-old Dunya, whose grandfather came to the Netherlands as a guest worker. Meral sings a song about her grandfather, one of the first guest workers.