A major restoration of the Colosseum has given it a bright new look, using the same travertine stone Roman builders used around 2,000 years ago to recreate parts of its columns. The project has reshaped the outer entrance zone of the amphitheater, offering visitors a tangible sense of how the space originally appeared.
Workers focused on a curved outer piazza where ancient spectators once assembled before entering the arena to watch gladiators take on armed opponents and wild beasts.
Tall arcades lined that space, with marble columns reaching to heights of about 50 meters (nearly 165 feet). Over centuries, seismic activity and shifting ground caused those structures to fall completely.
Colosseum restoration puts new columns back in exact position
Large travertine slabs now mark the positions of the new columns across the piazza floor, set directly over the bases of the original pillars. Reproductions of Roman numerals placed nearby show how spectators were once guided toward their assigned seating areas.
Italian architect Stefano Boeri, who oversaw the piazza design, said each stone block was positioned precisely above the base of an original pillar. His intention was to restore the public’s understanding of the proportions of the entrance arcades and the scale of the vaulted arches that once funneled crowds inside.
Rome’s Colosseum just revealed a striking new public space by Stefano Boeri.
Rather than competing with the monument, the intervention uses travertine to trace the footprint of the Colosseum’s lost southern arcades—helping visitors read the ancient structure in a new way.— Architecture & Art (@archpng) March 18, 2026
Before the Colosseum restoration effort got underway, the surrounding grounds had collected debris from deteriorating ruins and gone unattended for years. Excavators dug roughly one meter (about 3 feet) below the surface to reach the layer where stone paving once covered the entrance zone.
During that work, they recovered a gold ring along with coins, carved statues and animal bones. Below that layer, a private corridor built for Emperor Commodus runs through the structure, allowing him to reach the arena without passing through public areas. That underground passage became accessible to general visitors last year.
Excavation yields relics while quarries connect past to present
The travertine used throughout came from quarries that supplied stone to ancient Roman builders and remain active today. That same material now goes into private residences, government offices, financial institutions, places of worship, and museums.
Fabrizio Mariotti, director of the Mariotti Carlo stonecutting firm in Tivoli, said his company sought involvement from the start. With four generations of experience in travertine work, he said, contributing to a site that embodies the identity of both Rome and the stone itself carried deep meaning for his family.
The Colosseum draws more visitors than any other Italian attraction, with 9 million arrivals recorded in 2025. Rome recently completed a multibillion-euro metro expansion that included a new station beneath the amphitheater. Funds tied to that infrastructure project helped cover the cost of the outer perimeter work.
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