[Larry Lucido]

This ancient video was also found in the same spot.

[SunkenCiv]

[snip] The Yamato Period, commonly broken into two separate eras: the Kofun ("tumulus") Era, from 250 to 538, and the Asuka Era, from 538 to 710, saw the emergence of a central governing power in the west of Japan, centered around the Yamato Province (highlighted in yellow on the map). It was in this location that a local clan (also known as Yamato) began to consolidate its power and establish its claim as the imperial bloodline of the nation. [/snip]

Yamato Period (250 – 710) [University of Pittsburgh]