Chinese woodcut: Daoist internal alchemy (13)
Licence: Public Domain Mark
Credit: Chinese woodcut: Daoist internal alchemy (13). Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0038983/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Chinese woodcut: Daoist internal alchemy (13). Wellcome Collection. Source: Wellcome Collection.