An ancient underground basilica that only came to light a century ago has had a facelift in Rome, and its refreshed splendor has been unveiled.
The structure, near a gateway to ancient Rome known as Porta Maggiore, dates from the first century.
Its original use is a mystery. Some scholars think it served as a place for followers of a cult, while others say it was probably a funerary hall.
Water infiltrating from above had left its inner walls encrusted with mould, bacteria and calcium deposits.
The basilica is decorated with splendid stucco work depicting mythological figures and daily life scenes.
Discovered in 1917 during excavation for a nearby rail line, its layout is considered the earliest known architectural example in Rome of the famed basilica layout.
A Swiss foundation dedicated to the restoration of artwork and monuments paid for the cleaning of the basilica.
Tourists can visit on the second, third and fourth Sundays of each month on reservation.
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