Worth one's salt: An ancient Maya commodity

ScienceDaily
Mar 22, 2021, 2:32 pm148 pts
The first documented record of salt as an ancient Maya commodity at a marketplace is depicted in a mural painted more than 2,500 years ago at Calakmul, a UNESCO World Heritage site in the Yucatan Peninsula in Mexico. Salt cakes could have been easily transported in canoes along the coast and up rivers in…

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