Izumo Tamazukuri site - Credit: Wikimedia Commons
The is an archaeological site in the Tamayu-chō neighborhood of the city of Matsue, Shimane Prefecture, in the San'in region of western Japan. It contains the traces of a number of workshops from the Kofun period where magatama and other beads were produced, It was designated a National Historic Site in 1922, with the area under protection expanded in 2004. The excavated items from this site were collectively designated a National Important Cultural Property in 1977. Read more on Wikipedia
Source: en.wikipedia.org