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ROME (AP) - A long-delayed restoration of the Colosseum's only intact internal passageway has yielded ancient traces of red, black, green and blue frescoes _ as well as graffiti and drawings of phallic symbols _ indicating that the arena where gladiators fought was far more colorful than previously thought.
Officials unveiled the discoveries Friday and said the passageway _ between the second and third levels of the 1st Century Colosseum _ would open to the public starting this summer, after the (EURO)80,000 ($100,000) restoration is completed.
The frescoes were hidden under decades of calcified rock and grime, and were revealed during a cleaning and restoration project over the last two months. The traces confirmed that while the Colosseum today is a fairly monochrome gray travertine rock, red brick and moss-covered marble, in its day its interior halls were a rich and expensive Technicolor.
"We're used to thinking that during excavations, archaeological surprises are a risk for builders and for the city's development," Rome archaeological heritage superintendent Mariarosaria Barbera said. "But here is a beautiful archaeological surprise ... a monument that has been studied and known and appreciated across the world, yet still provides surprises."
While intriguing, none of the fragments restored so far rival the gorgeous frescoes found in other nearby ruins of the Roman Forum, such as the 6th century biblical scenes in the Santa Maria Antiqua church. But officials stressed that they are nevertheless remarkable because they give a very different impression of what the Colosseum must have looked like in its heyday.
Colosseum director Rosella Rea said less than 1 percent of the painted surfaces of the Colosseum remain. And while the exposed seating area was covered in white marble, "the insides, the galleries, all the corridors and transverse hallways were completely colored."
"We need to imagine a building with extreme contrasts of color," she said. "This was a surprise."
Many of the splashes of color are covered with layers of more recent graffiti. "Ricciu" signed his name there with the date 1943. "Maria" and "Filippo" did as well. Someone else left some drawings in 1620.
But there are also older types of graffiti as well that officials say may date from the 3rd century, after the Colosseum was restored following a fire in A.D. 217.
A red palm frond and a drawing of a crown are believed to have been drawn by a gladiator fan as he or she passed through the passageway, officials said. Another restored section has images of a phallus, which officials said was commonly drawn for good luck.
Asked how such details could have gone undetected for nearly 2,000 years, officials said flatly: money. There simply wasn't funding available to carry out the restoration of the passageway, which Rea said had been a goal for her office for 20 years.
Aside from the hallway cleaning, the Colosseum is set to undergo (EURO)25 million ($33.31 million) head-to-toe restoration funded by Italian businessman Diego Della Valle, founder of the Tod's shoe empire. The effort is primarily designed to shore up the monument, one of the world's most famous, which is crumbling under years of neglect.
Pieces of masonry and rock have fallen from the rafters, and the travertine is covered in gray dirt from car exhaust and pollution. The nearby subway rattles its foundations, such that the Colosseum has begun sinking in the same way the Leaning Tower of Pisa does, with a 40-centimeter (nearly 16-inch) inclination on its south side.
"It's not serious, but it needs to be restored," Rea said, noting the last major restoration was carried out in the 1970s. "The later you start, the worse it is."
Work has been delayed because of court challenges to the contract bidding process, with the latest hearing this week put off until the end of the month.
Rome Mayor Gianni Alemanno complained this week that the delays were "exasperating."
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