15. Walls and Borders
From the Great Wall of China to the Berlin Wall, history is littered with the building of barriers aimed at keeping people out, and sometimes in. Do they work? Are they ever a good thing? Tom Holla...
From the Great Wall of China to the Berlin Wall, history is littered with the building of barriers aimed at keeping people out, and sometimes in. Do they work? Are they ever a good thing? Tom Holla...