americano, the heavy Silvery stuff - is richer than most ducks may imagine -
Mining still continues today in Cerro Rico - where the main yields are silver, tin, zinc - lead, platinum, gold and tungsten -
For over 300 years since its discovery - the Spanish settlers of Potosi accumulated huge wealth; the city had become an urban center with - 88 Christian Churches - and establishments linked to the economic expansion - of the West -