As economic and military walls have come down in the post-Cold War era, states have rapidly built new barriers to prevent a perceived invasion of undesirables.

A powerful, searing story of a divided city - where one boy strays on to the wrong side of the wall, and finds his life changed for ever . . .

On the night of November 9, 1989, massive crowds surged toward the Berlin Wall, drawn by an announcement that caught the world by surprise: East Germans could n

The Israeli security wall is going to be some 700 miles long when completed and will surround most of the West Bank. Seen by some as a cynical land grab and oth

We build border walls to keep danger out. But do we understand the danger posed by walls themselves? East Germans were the first to give the crisis a name: Maue