A map of the world with the four elements, according to Ptolomy, Earth, Water, Fire, Air, and the North and South Hemispheres and their star signs.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: A map of the world with the four elements, according to Ptolomy, Earth, Water, Fire, Air, and the North and South Hemispheres and their star signs. Source: Wellcome Collection.