The Taiwanese civilians training for a Chinese invasion

Kuo Chiu teaches urban design by day and practices rifle drills in his spare time, one of a growing number of ordinary Taiwanese preparing for an invasion their vastly larger neighbor keeps threatening. The film spends time with him to show what civilian self-defense looks like against two million troops with one hundred and sixty thousand.

Why it's free: Free on The Guardian's own channel; the paper produced and published it.