Ziggurat: A Dwelling Place for the Ancient Gods. Each ziggurat was part of a temple complex that included other buildings. The precursors of the ziggurat were raised platforms that date from the Ubaid period during the sixth millennium. https://vebuka.com/print/171001023248-7329eca4ea881307acd3e63eedc681ac/ancient_iraq | Annunaki History

The Great Ziggurat of Ur | Unearthed