

7 stops · about 14 minutes✓ Discovered
How We Learned to Write
How do you keep an agreement that must still hold a year from now?

7 stops · about 13 minutes✓ Discovered
Why Humans Build Cities
Why do millions of people live close together?



7 stops · about 14 minutes✓ Discovered
How do you keep an agreement that must still hold a year from now?

7 stops · about 13 minutes✓ Discovered
Why do millions of people live close together?
