Gallery of Sistine Chapel ceiling book of models for other artists ever since. Along the centre of the ceiling are nine scenes depicting the Story of Creation, the Downfall of Humanity and the Story of Noah as told in the Book of Genesis. The Prophets of Israel and the Sibyls of the pagan world foretold the coming of the Messiah. Both have been included by Michelangelo as a sign that the Messiah (Jesus Christ) was to come not just for the Jews but also for the Gentiles (non-Jewish people). The four corner pendentives show violent episodes in which the People of Israel were rescued from
Restoration of the Sistine Chapel frescoes have been predicted by previous restorers. One of the major dangers to the frescoes is automotive exhaust, and they are also vulnerable to the effects of the crowds of tourists that pass through the chapel every day, bringing with them heat, humidity, dust and bacteria (the latter of which can biodegrade paints and pigments). The clean plaster surfaces are more in danger from these destructive elements than they were when they were covered with a layer of smoky wax. Previously, the Sistine Chapel's only ventilation was from its windows in the upper level of the walls. To prevent exhaust fumes