In southern Iraq, archaeologists have excavated a remarkable collection of carved clay tablets ... of an ancient Mesopotamian civilization. The tablets were discovered in the Sumerian site ...

This is a Sumerian cuneiform clay ... the tablet was baked. Cuneiform is one of the earliest forms of written expression and so represents a huge leap forward by human kind. This writing system ...

We even use the grid system for our roads and buildings, just like you still do. We invented all this well before the ancient Egyptians ... of years ago on clay tablets. This Sumerian King ...