Licence: Attribution 4.0 International (CC BY 4.0)
Credit: M0013640: A cowshed surrounded by a large wall of manure. Wellcome Collection. Source: Wellcome Collection.
Provider: Wellcome Library; GB.

Licence: Attribution 4.0 International (CC BY 4.0)
Credit: M0013640: A cowshed surrounded by a large wall of manure. Wellcome Collection. Source: Wellcome Collection.
Provider: Wellcome Library; GB.