This is a clear mind map titled "Mesopotamian Plain and Ancient Civilizations," which primarily explains Mesopotamian Plain and ancient civilizations. Each content is further elaborated at multiple levels. For example, Mesopotamian Plain describes the geographical features between the Euphrates River and Tigris River, resource distribution, and climatic conditions; ancient civilizations cover the rise and fall of city-states such as Sumer, Akkad, Babylon, their cultural achievements, and political systems. These contents collectively form a comprehensive understanding of the Mesopotamian region and its ancient civilizations, revealing their significant role in the formation and development of human civilizations.
