structural:reformatting
Sao

The Sao civilisation in Middle Africa from circa the sixth century BC to as late as the sixteenth century AD, and lived by the Chari River around Lake Chad in territory that later became part of Cameroon and Chad. Their most important artworks are the terracotta figurines. These figurines represent humans and animals. Other kinds of artifacts show that the Saos were skilled workers in bronze, copper, and iron.