In Paris, on the first Wednesday of every month you will hear the sounds of air raid sirens going. The first goes at noon, then another one is followed at 12:10pm They test these sirens every month to make sure they are in working order. France would use these sirens in an event to warn of dangers, like industrial spills, nuclear accidents or terrorist attacks. It is pretty scary to hear these if you don't know what or why they are going! The first time I heard them, I wondered what on earth was going on!! Today, the sirens went at exactly 12 noon, so I grabbed my camera and took a video looking out my window. This is just a small clip to show what the air raids sound like.