Question

A clay tablet was drawn about 2600 yrs ago by the people who believed that the earth is round disk surrounded by ocean river, who were those?

Answer 1

babylonians created those.

Mesopotamia is surrounded by a circular "bitter river" or Ocean, and eight "regions", depicted as triangular sections, are shown as lying beyond the Ocean. It has been suggested that the depiction of these "regions" as triangles might indicate that they were imagined as mountains