FILE - A view of the construction site of the new 25.5-kilometer Metro C subway main hub in Piazza Venezia in central Rome, Thursday, May 23, 2024. (AP Photo/Domenico Stinellis, File)

FILE - Tourists approaching the Vatican's St. Peter's Basilica Saturday, July 11, 1998, walk through street works. (AP Photo/Massimo Sambucetti, File)

FILE - People gather at the Fori Imperiali avenue, with the Colosseum in the background, during an event celebrating the ban on private vehicles, in Rome, Saturday, Aug. 3, 2013. (AP Photo/Riccardo De Luca, File)

FILE - Pilgrims crowd St. Peter's Square at the Vatican, Saturday, May 30, 1998, on Pentecost Day. (AP Photo/Andrew Medichini, File)

FILE - Live signals from the Vatican, St. Peter's Basilica, and the surrounding streets are seen in the control room at the municipal police headquarters in Rome, Wednesday, April 6, 2005. (AP Photo/Corrado Giambalvo, File)