Sistine Chapel ceiling the dynamic motion, the luminous colouration, the haunting expressions of the figures in the lunettes, the abundance of putti. Gabriele Bartz and Eberhard König have said of the "Ignudi", "There is no image that has had a more lasting effect on following generations than this. Henceforth similar figures disported themselves in innumerable decorative works, be they painted, formed in stucco or even sculpted." Within Michelangelo's own work, the chapel ceiling led to the later and more Mannerist painting of the Last Judgement in which the crowded compositions gave full rein to his inventiveness in painting contorted and foreshortened figures expressing
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