In the footsteps of gladiators

A panoramic view of the Colosseum is seen from the attico (top level) on October 14 in Rome, Italy. Areas of the Colosseum will be newly opened this week to visitors, such as the upper area and the underground, that have never before been available to the public.
Photograph by: Franco Origlia, Getty Images
The dark tunnels in which gladiators prepared to do battle in the Colosseum are being opened to the public for the first time.