The Great Castration, Langdon thought.

It was one of the most horrific tragedies in Renaissance art. In 1857, Pope Pius IX decided that the accurate representation of the male form might incite lust inside the Vatican. So he got a chisel and mallet and hacked off the genitalia of every single male statue inside Vatican City. He defaced works by Michelangelo, Bramante, and Bernini. Plaster fig leaves were used to patch the damage. Hundreds of sculptures had been emasculated. Langdon had often wondered if there was a huge crate of stone penises someplace.