Ancient Sumerian kingdoms built their most important temples on top of ziggurats.
<h2>What are ziggurats?</h2>
Among the ancient Babylonians and Assyrians, a temple of Sumerian origin in the form of a pyramidal tower, consisting of a number of stories and having about the outside a broad scent winding round the structure, presenting the appearance of a series of terraces.
<h2>What is Sumerian?</h2>
A language of unknown affinities that was the language of the Sumerians and had, in the late 4th and 3rd millenniums b.c., a well-developed literature that is preserved in pictographic and cuneiform writing and represents the world's oldest extant written documents.
