Sistine Chapel ceiling restoration began on 7 November 1984. The restoration complete, the chapel was re-opened to the public on 8 April 1994. The part of the restoration in the Sistine Chapel that has caused the most concern is the ceiling, painted by Michelangelo. The emergence of the brightly coloured Ancestors of Christ from the gloom sparked a reaction of fear that the processes being employed in the cleaning were too severe and removed the original intent of the artist. The problem lies in the analysis and understanding of the techniques utilised by Michelangelo, and the technical response of the restorers to
Sistine Chapel ceiling God, he was swallowed by a "mighty fish". He spent three days in its belly and was eventually spewed up on dry land where he went about God's business. Jonah was thus seen as presaging Jesus, who having died by crucifixion, spent part of three days in a tomb and was raised on the third day. So, on the ceiling of the Sistine Chapel, Jonah, with the "great fish" beside him and his eyes turned towards God the Creator, represents a "portent" of the Passion and Resurrection of Christ. The Jonah figure placed right over the altar activated the Passion