Rome's Mayor Virginia Raggi, center, backdropped by the Ara Pacis (Altar of Peace) presents to journalists an archeological finding emerged during the excavations at a Mausoleum in Rome, Friday, July 16, 2021. The monumental pomerial stone is dating back to Roman Emperor Claudio and was used to mark the âpomeriumâ the sacred boundaries of the âUrbeâ, the city of Rome, during the Roman empire. Domenico Stinellis