What preservation controversy developed over the years relating to Michelangelo’s painting in the Sistine chapel ?(a) Michelangelo wanted to paint something other than biblical scenes.

The preservation controversy surrounding Michelangelo's painting in the Sistine Chapel is not related to his choice of biblical scenes. Instead, the controversy revolves around various restoration attempts and issues that have arisen over the years.

In the late 17th century, a new cleaning technique was employed to remove the accumulated dirt, varnish, and other substances that had built up on the frescoes. However, this technique involved the use of solvents, including a type of mild acid, which caused damage to the original paint layers. This restoration was widely criticized for altering Michelangelo's original color palette and tonal values.

In the 1980s, a major restoration campaign was initiated to address concerns about the deterioration and discoloration of the frescoes. The project was completed in 1994 and was praised for revealing the vibrant colors and intricate details of Michelangelo's work. However, some art historians and critics argued that the restoration went too far and accused the restorers of over-cleaning the frescoes, resulting in the loss of Michelangelo's original subtlety and tonal gradations.

Additionally, the restoration efforts raised questions about the use of modern techniques and materials on a centuries-old masterpiece, especially considering the potential long-term effects it could have on the artwork.

Overall, the main preservation controversy surrounding Michelangelo's Sistine Chapel painting is related to the restoration attempts and the extent to which they should be carried out, as well as the potential impact on the original artist's intentions and the long-term integrity of the artwork.