Have you ever looked closely at the base of Brunelleschi’s dome in Florence Cathedral and wondered why the marble gallery is unfinished? Sometimes, a single remark can change the course of a work of art. This is the story of an unfinished gallery on Brunelleschi’s magnificent dome, and of Michelangelo’s cutting sense of humour. When Filippo Brunelleschi completed his splendid dome, there were still finishing touches to be made to this extraordinary masterpiece. One of them wa