Licence: In copyright
Credit: A tree made of people, on which a bole grows like a cancer. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0047142/full/800%2C/0/default.jpg)
Licence: In copyright
Credit: A tree made of people, on which a bole grows like a cancer. Wellcome Collection. Source: Wellcome Collection.