Restoration of the Sistine Chapel frescoes smoke and exhaust fumes of the city, being "much dirtier than the ceiling proper". The building was a little unstable and had already shifted considerably prior to Michelangelo's work of 1508, causing cracking of the ceiling, the crack in the "Judith" pendentive being so large that it had to be filled with bricks and mortar before painting. The upper part of the ceiling provided Michelangelo an irregular surface due to cracks and water seepage. Continued ingress of water from the roof and from unroofed exterior walkways above the ceiling level had caused seepage which carried down salts from the building
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