Map and explanation of the crisis in the EU’s Schengen Area, where many countries have temporarily reintroduced border controls.


Over the past months, concern has been rising that Europe’s border-free travel zone, known as the Schengen Area, is falling apart. As unprecedented numbers of refugees and other migrants enter the Schengen Area, individual member countries have begun to re-start border checks in the places where they abolished them decades ago.


Tags: borders, political, Europe, supranationalism, refugees.