Seasoned visitors to the City of Light always factor in their travel plans the two most prevalent facts of life in France: vacations and strikes. Fortunately, school vacation periods are scheduled in advance with clockwork regularity. Strikes may be nearly as predictable. This preliminary study suggests a strong correlation between occurrences of the two.
(That’s an excerpt from the article “April in Paris: A Striking Analysis,” by a scientist who is a Paris native and who requests anonymity, published in AIR 14:3.)