Already in the very early stage of sedentary life, the Jomon people developed a complex spiritual culture.
The Jomon people initiated a sedentary way of life about 15,000 years ago, as indicated tentatively at first by the use of pottery, and later by the construction of more permanent dwellings and ritual sites, and the year-round exploitation of nearby resources. Already in the very early stage of sedentary life, the Jomon people developed a complex spiritual culture. They made graves and also created ritual deposits, artificial earthen mounds, and stone circles that were probably used for rituals and ceremonies, and confirmed a social bond across the generations and between the settlements.