Illustration from the “Chong xiu zheng he jing shi zheng lei bei yong ben cao” 重修政和經史証類備用本草 (Revised Zhenghe edition of the classic materia medica classification) https://hdl.loc.gov/loc.asian/lcnclscd.2012402216 printed in early Yuan in 1249. Presented here is a scene of sea salt processing. The lively and skillful illustrations represent the highest level craftsmanship of the time, which also introduces a longstanding tradition of featuring quality illustrations in woodblock-printed literature. Chinese rare book collection, Asian Division.