The Sumerians in Mesopotamia near the Tigris and Euphrates Rivers being among the first civilized well-developed agricultural nations in the world, learned from the Ubaidians. The latter people were a strong creative force at one time who gave rise to such things as weaving, masonry and pottery which could explain the origins of artifacts like the one shown above here.
The Bering land bridge is a theory of how early humans migrated to the Americas from Asia about 20,000 years ago.
The samoset Indians were the first people, I am sure.
It is called the Yangtze river and it is known as the golden waterway because it is the longest river of Asia
