The race course at Monaco is hopelessly out of date by modern standards. It is too dangerous, too twisty and too narrow. There are only a few places where a driver can make a mistake without doing serious damage to the car. The likelihood of injury in the event of a crash is high. Yet every two years, vintage racing cars from around the world come to race on the streets of Monaco.
This is a companion discussion topic for the original entry at https://www.hagerty.com/articles-videos/articles/2012/06/12/monaco-offers-stunning-backdrop-for-historic-races