French rail operator SNCF workers light red flares in front of the Olympic Rings at the Hotel De Ville during a demonstration after the court approved the key elements on French President's unpopular pension reform in Paris on April 14, 2023. - France's top constitutional court is to rule on April 14 on whether to approve the French President's deeply unpopular pensions overhaul after months of protests. (Photo by Geoffroy VAN DER HASSELT / AFP)