Complex sentence: The Rosettes fountain was lost during World War II. Years later, it was found by chance in a market in the South of France; the town of Fontenay-sous-Bois recovered it, and re-installed it in the place where it can be seen today.
Split into simpler sentences: The Rosettes fountain was lost during World War II. Years later, it was found by chance in a market on the South of France. The city of Fontenay-sous-Bois recovered it, and re-installed it in the place where it can be seen today.