Almost everywhere on the world, migration is a hot topic. Most of the time the debate about migration is fierce and charged with prejudices and fears. At the political level, this has far-reaching consequences, ranging from electoral victories of populist right-wing parties to the increasing isolation policy of Europe and the United States. But what exactly is migration? What are its causes? And what are problems and opportunities?
Video by Joern Barkemeyer and Jan Kuenzl