Once a wall is built, it becomes a fact on the landscape that can totally change the logic of the world around it. In the episode “The Walls,” we have stories about people at walls all over the globe. Fly around to visit the walls in each story. Listen to 641: "The Walls."

  1. Northern Ireland
  2. Turkey and Syria
  3. Western Sahara
  4. United States and Mexico
  5. Pakistan and India
  6. North Korea and South Korea
  7. Morocco and Spain
  8. Norway and Russia