ULTIMATE Guide to Potosí, Bolivia the World's Most ...
Sep 29, 2021 · Heading deep into the mines of Potosi, Bolivia. Potosí, Bolivia was a very important city back in the 1500s under Spanish rule. Cerro Rico, a mountain right beside Potosí, was considered one of the world's biggest silver mines which made Potosí one of the wealthiest cities in all of Latin America.