Restoration of the Sistine Chapel frescoes between 1980 and 1994. This most recent restoration had a profound effect on art lovers and historians, as colours and details that had not been seen for centuries were revealed. It has been claimed that as a result "Every book on Michelangelo will have to be rewritten". Others, such as the art historian James Beck of ArtWatch International, have been extremely critical of the restoration, saying that the restorers have not realised the true intentions of the artist. This is the subject of continuing debate. The frescoes on the ceiling of the Sistine Chapel had a number of interventions prior
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