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Potosí, the Bolivian city situated at an altitude of 3,967 meters in the Andes Mountains, is known for its architectural heritage, including the Gothic Cathedral of Saint Lawrence and the Mint, both UNESCO World Heritage Sites since 1987. Founded in 1546, it became became the world's main producer of silver in 1611, reaching its peak in the 17th century. After the silver mines were exhausted, the city faced population decline, but tin exploration brought renewal in the early 20th century. Pre-European history is marked by legends about the discovery of silver mines. Spanish exploration, using indigenous labor, resulted in precarious conditions and deaths, as documented by Frei Domingo de Santo Tomas, who highlighted that what was sent to Spain was the "sweat and blood of the Indians".
