While I was putting on a pair of earrings this afternoon, I heard one of the strangest sounds I've ever heard. Is there a tornado? Should we go hide somewhere? Why am I the only one stirring at this very odd sound? I stepped out of our room and asked Guillaume "What is that??" So, apparently, sirens are tested every first Wednesday at noon in case there is ever an invasion - or other disaster. I'm not sure how much this will help, I bet everyone is well aware what they need to do, but I still find it so strange that this practice still continues today.