The gods were worshiped not only in the great temples but also in small shrines in family homes.
The Sumerians organized a complex mythology. It was based on the relationships among the various local gods of the temple towns. In Sumerian religion, the most important gods were seen as human forms of natural forces—sky, Sun, earth, water, and storm. Each of these gods was originally associated with a particular city. The gods were worshiped not only in the great temples but also in small shrines in family homes.