The Élysée Palace is a place laden with history. It is a place where power has left its mark - over the course of centuries, ever since the revolution. You just sort of become part of it and continue the history. But, of course, there is a sense of gravitas.
You can listen to a birdsong, and from the content of the birdsong, you will be able to determine whether or not the bird grew up in a noise-polluted environment or whether it grew up in a pristine, clean environment. Isn't that incredible?