Prompt

The formation of cities is an intriguing part of human history. In various places like Mesopotamia, Asia, and the Americas, the first cities appeared a long time ago. These early cities were different in many ways. The oldest cities we know about started in Mesopotamia around 7500 BCE. Some of these were Eridu, Uruk, and Ur. Over in the Indus Valley, there was a city called Mohenjadaro, which existed around 2600 BCE. It was one of the biggest cities back then, with over 50,000 people living ther