23화: 이노 타다타카, 일본 최초의 완전한 지도 제작

It's easy to take something like "knowing where anything is" for granted, but somebody had to go out into the world and take note of all those natural and cat-made borders. In the case of Japan, it fell to Ino Tadataka to create the first "complete" map of the nation. (Source: Crunchyroll)

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