"Course des café": Why waiters race through Paris

In Paris this year, a number of events are being repeated that have not taken place there for a very (very!) long time. The Summer Olympics, for example, which are being held in the French capital for the first time in 100 years. To celebrate the year, one particularly famous profession, that of Parisian waiters and waitresses, has brought a tradition back from the grave that is, at 110 years, even older.