Paris Mayor Anne Hidalgo on Monday said the Olympic rings mounted on the Eiffel Tower should be kept permanently in the city. “There are three symbols that we have to deal with so that they can be preserved as heritage,” Hidalgo told the France Bleu radio station, listing the Eiffel Tower rings first. Hidalgo then mentioned the cauldron holding the Olympic flame. The cauldron sits beneath a giant balloon in the Tuileries Garden. Each night the flame is lifted above the ground. The mayor also wants to install the statues of female trailblazers first revealed during the opening ceremony in the c…