The Seine River, the romantic lifeblood of Paris, is set to reopen for swimming after 100 years. But the cursed clean-up project has become an important lesson for future Olympics
The 780-kilometer-long river, which runs through the city of light and curves around the mighty Eiffel Tower, not only hosts tourists taking in the sights of the French capital but also supports centuries-old UNESCO-protected French bookstalls on its banks.