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
Sistine Chapel ceiling was made to rich and to poor, to mighty and to humble, to Jew and to Gentile. The Three Wise Men (the "Magi" of the Bible) who sought out the infant King with precious gifts were pagan foreigners. In the Roman Catholic Church, where there was an increasing interest in the remains of the city's pagan past, where scholars turned from reading Medieval Church Latin to Classical Latin and the philosophies of the Classical world were studied along with the writings of St Augustine, the presence, in the Sistine Chapel of five pagan prophets is not surprising. It is not