The Paris Metro - efficient and beautifully decorated in Art Nouveau style and my first experience with Metros/Subways. It was also how I figured out I had an excellent sense of direction. I became the navigator for my family, directing us to the right Metro stops and platforms. But on our way to the department store, La Samaritaine, something strange happened. A woman and a young boy were standing close to us on the Metro. I didn't pay them much mind, until I notice the boy was coughing a lot. I actually moved a bit away from them. The woman then said in