Can you solve the fortress riddle? - Henri Picciotto
Bad news: your worst enemies are at the gate. Your fledgling kingdom guards the world s only herd of tiny dino creatures. To you, they re sacred. To everyone else, they re food. The three closest nation-states have teamed up to smash open your walls and devour the herd. Can you build fortifications…
Source: TED-Ed (2022-05-31)