Potosi mint factory

So think this day was mostly a bus ride, and I can't remember what day we went to the mint factory in Potosi (they used to make around 80% (I think) of the worlds currency).
I also got to make my ownもっと詳しく
So think this day was mostly a bus ride, and I can't remember what day we went to the mint factory in Potosi (they used to make around 80% (I think) of the worlds currency).
I also got to make my ownもっと詳しく