1. . According to legend, the archangel Michael appeared to dream of St.
Aubert, bishop of Avranches, in 708 and instructed him to build a church on
the rocky islet.
2. Over the centuries, the coastal flats have been polderised to create
pasture.
3. The pilgrims rented some plots for 10% of the harvest which was much
more than the monks needed for themselves ,so they sold or traded the
surpulas.