 The settlement was enclosed by a strong fortification, surrounded by moats, and opened with 4 doors (of Bordeaux, the Well of Larque, Newfoundland or Ligardes), a fortress was mentioned in the city at the end of the 16th century.Two blockhouses were destroyed in 1590 for the safety of residents.From mid-16th century up to 1621, the inhabitants inside Francescas supported religious struggles, and therefore the walls are constantly being repaired.