# Cities

Cities put more people together than any village could. They grew along rivers and trade routes and became places where ideas, goods and diseases pass quickly.

Connects to:
- [Routes and exchange](https://mapideas.org/i/hi_routes)

Sources:
- [Wikipedia: City](https://en.wikipedia.org/wiki/City)
- [Wikipedia: Urbanization](https://en.wikipedia.org/wiki/Urbanization)

Source: https://mapideas.org/i/so_city · open on the map: https://mapideas.org/#so_city