Sistine Chapel ceiling "The whole world came running when the vault was revealed, and the sight of it was enough to reduce them to stunned silence." The frescoes of the Sistine Chapel were restored between June 1980 and December 1999, with preliminary tests taking place in 1979. The first stage of restoration, the work upon Michelangelo's lunettes, was achieved in October 1984. The work then proceeded on the ceiling, completed December 1989 and from there to the Last Judgement. The restoration was unveiled by Pope John Paul II on 8 April 1994. The restoration team comprised Gianluigi Colalucci, Maurizio Rossi, Piergiorgio Bonetti, Bruno
Sistine Chapel exterior can be seen only from nearby windows and light-wells in the palace. Subsidence and cracking of masonry such as must also have affected the Cappella Maggiore has necessitated the building of very large buttresses to brace the exterior walls. The accretion of other buildings has further altered the exterior appearance of the Chapel. The building is divided into three stories of which the lowest is a very tall basement level with several utilitarian windows and a doorway giving onto the exterior court. Internally, the basement is robustly vaulted to support the chapel. Above is the main space, the Sistine