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
Ceiling Painting/Yes Painting Ceiling Painting/Yes Painting Ceiling Painting/Yes Painting is a 1966 conceptual artwork by the Japanese artist Yoko Ono. The work is made from paper, glass, a metal frame, a metal chain, a magnifying glass, and a painted ladder. The word YES is printed on the piece of paper. The work is interactive, with the viewer (or participant) expected to climb the ladder and use a magnifying glass to look at the word 'YES' which is printed on paper beneath a sheet of glass suspended from the ceiling. The work was shown at Ono's autumn 1966 show, "Unfinished Paintings and Objects By