World of walls: How 65 countries have erected fences on their borders – four times as many as when the Berlin Wall was toppled – as governments try to hold back the tide of migrants

Security fears and a widespread refusal to help refugees have fuelled a new spate of wall-building around the world A third of the world’s countries have completed or are building barriers – compared to 16 at the fall of the Berlin Wall They include Israel’s ‘apartheid …