Introduction of Cai Lun's hometown

Cai Lun, the inventor of papermaking in China's "Four Great Inventions", was born in Guiyang County, Hunan Province in the Eastern Han Dynasty. The official history books "Dongguan Hanji" and "Post-Han Shu" are recorded; "Cai Lun, word, Guiyang people also". Guiyang County is now Guiyang County, Hunan Province, an ancient county in the early Han Dynasty and a famous area in southern Chu.

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