By about 13,000 BC, humanity will reach the United States. And in the Americas , a stone tool culture with a characteristic projectile point is practiced This is called Clovis culture, and projectile points have also been excavated.

The Hopi tribe of Native Americans are indigenous people who worship spirits.

The two Hopi snakes symbolize the two rivers that border the land, the Colorado and Rio Grande. There are other indigenous peoples besides the Hopi around this Grand Canyon.
Colorado and Rio Grande

Grand Canyon area map

It is said that the Hopi ancestors return to the Grand Canyon when they die, and when they go there, they can talk to their creators.