What are the two rivers called that almost ran the whole length around the fertile crescent?

The two rivers that almost ran the whole length around the Fertile Crescent are the Tigris and Euphrates. These rivers flow through modern-day Iraq, Syria, and Turkey, providing essential water resources that supported ancient civilizations in the region, such as Mesopotamia. Their fertile banks enabled agriculture to thrive, contributing to the development of some of the world's earliest cities and cultures.