Complex sentence: On June 18,1656 a part of plaster peeled off the wall inside the Church of St. Mary in Vivario and an ancient fresco became visible, it was the image of Saints Sebastian and Roch protector from the plague.
Split into simpler sentences: On June 18,1656 a part of the plaster peeled off a wall inside the Church of St. Mary in Vivario, and an ancient fresco became visible. It was the image of Saints Sebastian and Roch, protector from the plague.