A group such as the Nara National Research Institute for Cultural Properties announced that it was found that the components of glass products excavated from the ruins of Itoshima City, Fukuoka Prefecture, which is said to be the tomb of the king in the Yayoi period, are almost the same as those found in Mongolia and other places. bottom.
The research group believes it is likely that this product was brought to Japan through the Silk Road.
The glassware was excavated from the "Plain Ruins" around the 2nd century, which is said to be the tomb of the king of Ito, which was recorded in the Chinese history book "Wei Shi Yajinden".
As a result of analysis by groups such as the Nara National Research Institute for Cultural Properties, 20 points shaped like a stack of blue glass rings with a diameter of about 5 mm were found to contain antimony and manganese.
Furthermore, when compared with glass products of similar color and shape found in the ruins of Mongolia and Kazakhstan along the Silk Road, it became clear that the ingredients contained are almost the same.
Tomomi Tamura, senior researcher at the Nara National Research Institute for Cultural Properties, said, "It is possible that the glass of the plains was brought to Japan from the area around the Mediterranean Sea, which was the territory of the Roman Empire, through the so-called" grassland road "on the Silk Road. I'm talking.