Sistine Chapel ceiling Rome to continue sculpting. The tomb sculptures, however, were never to be finished because in 1508 the pope returned to Rome victorious and summoned Michelangelo to begin work on the ceiling. The contract was signed on 10 May 1508. The scheme proposed by the pope was for twelve large figures of the Apostles to occupy the pendentives. However, Michelangelo negotiated for a grander, much more complex scheme and was finally permitted, in his own words, "to do as I liked". His scheme for the ceiling eventually comprised some three hundred figures and took four years to execute, being completed and
Restoration of the Sistine Chapel frescoes watercolour, to integrate the pictorial material. These areas are distinctively textured with vertical brushstrokes, not visible from a distance but easily discernible as restoration work when viewed close up. Certain small areas were left unrestored, in order to maintain a physical record of the previous restorations that had taken place, for example, an area left with overpainting and candle wax, and another area demonstrating the attempt to counteract salination with oil. Once the many layers of candle wax, varnish, and animal glue were removed from the surface of the Sistine Chapel frescoes, they became subject to dangers that could not