Muros, valas e arame farpado

Now such scenes are replicated along borders dividing countries whose shared system of government is democracy and whose armies are at peace. This is seen in the more than two thousand miles of heavily guarded barbed wire that India has erected between itself and Bangladesh; or the electrified fence with which South Africa confronts Zimbabwe; or the potato fields that Hungary has laced with menacing barriers to keep out refugees. Since the start of this century, dozens of borders have been transformed from mere lines on a map into actual, deadly features of the landscape.