I walk down a dark hallway until I come to a door behind which a female voice is instructing, "Inhale and exhale" in French. Is it possible that a French yoga class is taking place here? Yoga is good. Yoga means that these people are also breathing so there's a better chance that no police will be involved. I knock on the door, and on the other side all goes quiet. Eyes wide, I wait, and then the door opens. "Yoga!" I say, "C'est très bien!"