The monks produce and sell wine and olive oil on the premises.
Since 1737 the monks have been producing a herbal liquor from a secret mix of 130 different herbs and plants.
In modern day, the Abbey is best known for the pottery the monks produce.
The monks from the monastery produced an early authoritative history on Portugal in a series of books.
The monks divide their time between prayer and producing red and white wines.
The monks have written two books about their techniques and produced a training video.
The monks had produced a three-legged stool, lifted Richier, hands tied, onto it.
Later, churches owned vineyards and monks produced wine for use in the sacrament of Eucharist.
Today the monks cultivate vineyards and produce wine and liqueur.
During his visit he heard the monks chanting and realized that each monk was producing a chord of notes, rather than a single note.