PARIS, FRANCE - DECEMBER 10: Demonstrators march in Paris, on December 10, 2019 on a sixth day of a strike over French government's plan to overhaul the country's retirement system. - Unions have vowed to keep up the fight over the reforms, which are set to be finalised and published on December 11. Another mass demonstration is planned in Paris and other cities today, with teachers and other workers once again expected to walk out alongside transport workers. Julien Mattia / Anadolu Agency/ABACAPRESS.COM