Cai Lun Paper Culture Museum

The Cai Lun Paper Culture Museum in Yangxian County, about sixty kilometres east of central Hanzhong, commemorates the Han Dynasty official credited with developing papermaking. The museum covers the history of paper manufacture from its earliest Chinese origins through the spread of the technology along the Silk Road to the Islamic world and eventually to Europe. It includes demonstrations of traditional papermaking using techniques similar to those of the Han Dynasty.

Yangxian County is better known today for its crested ibis conservation programme — the last surviving wild crested ibis in China were found here in 1981, and a successful breeding programme has expanded the population to several thousand birds. The county is worth visiting for both the paper museum and the ibis sanctuary, making it a more interesting day trip from Hanzhong than a single-site visit.

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A story
Cai Lun, a Han Dynasty court official from what is now Yangxian County, is credited with developing and standardising the papermaking process around 105 AD, refining earlier techniques using bark, hemp, rags, and fishnets. He presented his invention to Emperor He of Han, and within decades the technique had spread across China. Paper's subsequent diffusion to the Islamic world and then to Europe changed the history of knowledge — it made books affordable, bureaucracies manageable, and eventually made print culture possible.