Original: An adjacent site, Fontana Ranuccio, was dated to 487,000 + \/O/ - 6000 years and Muttoni et al. suggest that Ceprano is most likely 450,000 years old.
Simplified: (3) An adjacent site, Fontana Ranuccio, was dated to 487,000 + \/O/ - 6000 years and Muttoni et al. suggest that Ceprano is most likely 450,000 years old.