Where Did the Sumerians Come From, and How Did They Acquire Their Remarkable Knowledge?

#Sumerians #Anunnaki #AncientCivilizations
🏛️ Where did the Sumerians, one of the most mysterious civilizations of the ancient world, really come from?
👽 Could the mysterious Anunnaki have passed on incredible knowledge to them, or is it all just ancient mythology?
📜 How did the Sumerians develop writing, mathematics, calendars, and build magnificent cities?