https://en.m.wikipedia.org/wiki/Kunyu_Wanguo_Quantu
There are Japanese kanjis because this version is a copy of the original map (look at the article for more details)
https://en.m.wikipedia.org/wiki/Kunyu_Wanguo_Quantu
There are Japanese kanjis because this version is a copy of the original map (look at the article for more details)
That’s extremely impressive! Did they collect maps from all around the world?
It was the work created thanks to the collaboration with a Jesuit cartographer, the details are explained in the wiki page