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And here are the tools. Notice how developed the Japanese were in the Jomon era also. Electricity and everything... ^_^
Ancient history I went to explore the Sendais historycal museums. I found a 20 000 years old forest from the Yayoi-era and went to a Jomon-era (after Yayoi-era but ~10 000years ago) park. The next day I went to a Library museum and a science park.