Mesopotamian art refers to material produced literally “between the two rivers” – the Tigris and the Euphrates - in antiquity. Mesopotamia was the home to some of the oldest western civilizations in as early as the fourth millennium B.C. Mesopotamian art comprises the art not only of the early Sumerian cultures but also that of the Akkadians, Assyrians and Babylonians. In the 3rd century B.C. Favorite themes in Mesopotamian art include the glorification of rulers and hunt scenes. One of most prevalent forms of Mesopotamian art which survived from antiquity is sculptural relief.