Sistine Chapel ceiling of the Sistine Chapel. At the outset, the plaster, "intonaco", began to grow mold because it was too wet. Michelangelo had to remove it and start again. He then tried a new formula created by one of his assistants, Jacopo l'Indaco, which resisted mold and entered the Italian building tradition. Because he was painting "fresco", the plaster was laid in a new section every day, called a "giornata". At the beginning of each session, the edges would be scraped away and a new area laid down. The edges between "giornate" remain slightly visible; thus, they give a good idea of
The Crossing of the Red Sea (Sistine Chapel) Gozzoli's paintings in the Magi Chapel. The Crossing of the Red Sea (Sistine Chapel) The Crossing of the Red Sea is a fresco executed in 1481–1482 and located in the Sistine Chapel, Vatican City. Of uncertain attribution, it has been assigned to one between Domenico Ghirlandaio, Biagio d'Antonio or Cosimo Rosselli. On 27 October 1480 several Florentine painters left for Rome, where they had been called as part of the reconciliation project between Lorenzo de' Medici, the "de facto" ruler of Florence, and Pope Sixtus IV. The Florentines started to work in the Sistine Chapel as early as the Spring