The Paris Catacombs are an extensive underground ossuary in Paris, France, holding the remains of more than six million people. Here's an overview of their origin, stories, and legends:

The idea of people living in the Paris Catacombs is surrounded by myth and intrigue, but the reality is a bit more nuanced. While no one permanently resides in the Catacombs, there is a subculture of individuals known as cataphiles who explore and sometimes temporarily inhabit these underground passages.