 Most of the scenes were well preserved under a thick layer of plaster, and represented the Twelve Months, the Liberal Arts, the Four Seasons and the Zodiac.The image of King Solomon, a pious and a judge, painted on the northern wall led scholars to argue the room was meant to be a Hall of Justice.Plaster was possibly laid after 1348 Black Death for hygienical reasons, or perhaps in the 15th century, when the Camaldolese left the monastery.