What preservation controversy developed over the years relating to Michelangelo's paintings in the Sistine Chapel?

A: Michelangelo wanted to paint something other than Biblical scenes
B: No one could see the works because the chapel was off limits to visitors
C: Too much sunlight on the chapel ceiling faded the paintings
D: Well-meaning conservators actually damaged the works

3 answers

while attempting to restore them

Answer: D. Well-meaning conservators actually damaged the works while attempting to restore them.
I'm gonna hope this is correcct
it's correct