Английская Википедия:Arch of Janus
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The Arch of Janus is the only quadrifrons triumphal arch preserved in Rome. It was set up in the early 4th century AD at a crossroads at the northeastern limit of the Forum Boarium,[1] close to the Velabrum, over the Cloaca Maxima drain that went from the Forum to the River Tiber.
The significance of the arch is poorly understood: it is thought to have been a boundary marker rather than a triumphal arch.[2] An alternative view is that it was built to provide shelter for the traders at the Forum Boarium cattle market.[3] Some researchers believe it was dedicated to Constantine I or Constantius II and was known as the Arch of the deified Constantine. It is 16 meters high and 12 meters wide; it was originally higher, but the attic storey was removed in 1830 in the erroneous belief it was all medieval.
Its modern name probably dates from the Renaissance or later, and was not used to describe it in classical antiquity. The name is derived from the structure's four-fronted, four-arched configuration. The ancient Roman god Janus (Ianus Quadrifons), was sometimes depicted with four faces[3] and there are Janus-related structures mentioned in historic descriptions of ancient Rome.
Each pier of the arch has two rows of three niches. It seems logical that statues would have filled these 48 niches but none has been identified. The keystone at the apex of the central arch on the north side is thought to depict Minerva,[2] although others believe it may be Palladium.[1]
History
It was built using spolia, i.e. material from earlier buildings, including bricks, together with pottery shards, and was covered with white marble, also from earlier buildings.[1][4]
In the Middle Ages, the Frangipane family transformed the building into a fortress, and so it survived intact until 1830. Then, the attic and top were torn down because they were erroneously believed to not belong to the original structure. However, there is a staircase within the north-west pier which would have given access to this top floor. Iron pins originally held together the marble blocks but were removed in the Middle Ages, leading to the monument's present pock-marked look.[2] Fragments of the dedicatory inscription are still preserved inside the nearby church of San Giorgio in Velabro.
The arch has not been accessible to the public since the explosion of a bomb in front of San Giorgio in Velabro, on the night of 27 July 1993. It is the one monument of the Forum Boarium that remains unrestored.[4] The Arch of Malborghetto, just outside Rome, also includes the remnants of a former Roman quadrifons arch.
See also
References
External links
- Rome Art Lover
- High-resolution 360° Panoramas and Images of Arch of Janus | Art Atlas
- The Arch of Janus [1]
- https://www.wmf.org/project/arch-janus
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