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Column of Constantine

The Column of Constantine (Turkish: Çemberlitaş Sütunu), also known as the Burning Stone or , is a monumental erected in (modern-day ) by the to commemorate the founding of the city as the new imperial capital in 330 CE. Constructed from seven massive cylindrical drums of red Egyptian stacked atop a white marble pedestal, the column originally stood approximately 35–40 meters tall, including its base and crowning elements, making it taller than earlier honorific columns such as those of and . Located in the heart of the —an expansive, circular colonnaded plaza roughly 140–150 meters in diameter on the city's second hill along the main processional route known as the Mese—the column served as a central urban landmark symbolizing Constantine's unification of the and the establishment of as "." Dedicated on , 330 , during the city's inaugural ceremonies, it was originally topped with a colossal of the depicted as the sun god or , holding a spear and while wearing a radiant , supported by a Corinthian capital; the pedestal featured relief carvings, including scenes of offerings like the aurum coronarium. By the fifth century, the structure had been reinforced with iron clamps and rings for stability and was associated with Christian relics, such as fragments believed to be from the loaves that fed the five thousand, enhancing its role as a protective for the city. Over the centuries, the column endured significant alterations and damages reflective of Constantinople's turbulent history. The original statue collapsed during a gale in 1106 CE, after which Emperor (r. 1143–1180) replaced it with a inscribed with a protective , only for the to be removed following the conquest in 1453. A devastating in 1779 severely damaged the lower shaft, prompting authorities to add a base for support and encircle the column with decorative metal bands; these reinforcements, along with earlier iron additions, have contributed to its nickname "Burning Stone" due to occasional fires. Today, standing at about 35.8 meters in the district along Yeniçeriler Caddesi, the column remains a prominent Byzantine relic, influencing later imperial monuments like those of Theodosius, , and Justinian, and continuing to represent the enduring legacy of Constantine's vision for a Christian capital.

Location and Context

Current Site in Istanbul

The Column of Constantine, known locally as Çemberlitaş Sütunu, stands in the Çemberlitaş neighborhood of the district in , , at the coordinates 41.00861° N, 28.97111° E. It is situated on Çemberlitaş Square along Divan Yolu (also called Divanyolu or Yeniçeriler Caddesi), a historic that connects key areas of the old city. The monument is positioned approximately 200 meters (0.13 miles) from the entrance to the and about 0.22 miles from the Grand Bazaar, integrating seamlessly into the bustling historic core of . In the modern cityscape, the column serves as a prominent amid the vibrant urban environment of Çemberlitaş Square, a pigeon-filled plaza surrounded by shops, historic buildings, and pedestrian traffic. It marks the former and attracts tourists exploring nearby and Byzantine sites, enhancing its role as a focal point for in the district. The surrounding area, between and Beyazıt squares, features a mix of commercial activity and architectural landmarks, underscoring the column's enduring presence in 's layered history. The column's current state reflects ongoing preservation efforts, with its structure showing visible scorch marks from a 1779 fire, preserved as part of its historical character. In the , iron hoops were replaced in the 1970s to reinforce the marble drums, and further stabilization work occurred from 2004 to 2009 to protect against environmental and seismic risks. These measures, including the prominent metal bands (çemberler) encircling the shaft, ensure structural integrity without modern enclosures, allowing the monument to remain open to the elements while safeguarding its integrity. As an outdoor monument in a public plaza, the Column of Constantine is accessible 24 hours a day, though visits during daylight hours are recommended for optimal viewing and photography. It is easily reachable on foot via Divan Yolu and is directly adjacent to the Çemberlitaş stop on the T1 tram line, providing convenient public transport links from major sites like Sultanahmet Square. No entry fees or restrictions apply, making it freely viewable for pedestrians and tourists navigating the area's walkable streets.

Original Placement in Constantinople

The Column of Constantine was erected at the precise center of the , the inaugural imperial forum in the newly founded capital of , serving as its monumental focal point. This positioning underscored the forum's role as a symbolic hub of imperial authority, with the column's base inscribed in to commemorate its dedication on May 11, 330 AD. The forum itself adopted a circular plan, typical of Hellenistic and civic spaces, enclosed by a double featuring white marble columns on the ground level and additional columns above. Surrounding the central column, the forum incorporated elaborate architectural and sculptural elements, including two grand arches of Prokonnesian marble at its entrances and a prominent Senate House (Senaton) on the northern side, adorned with bronze doors repurposed from the at Ephesos. The porticoes housed an array of ancient statues, such as a colossal bronze and representations of and , evoking classical heritage while affirming Constantine's cultural patronage. Adjacent to the forum lay the , the imperial road segment of the Mese that extended toward the Great Palace complex to the southeast, facilitating ceremonial processions and linking administrative functions with the seat of power. In Constantine's , the and its column anchored the axial layout of the , positioned along the Mese—the primary east-west processional avenue that connected the to distant landmarks like the further southeast, thereby integrating civic, religious, and entertainment spaces into a cohesive framework. This alignment emphasized the forum's centrality in the refounded , transforming the site of an ancient outside the old Severan walls into a vital node of the new capital's . Archaeological excavations provide concrete evidence for the forum's dimensions and configuration, including a section of foundations discovered approximately 70 meters east of the column, suggesting a of around 140 meters for the circular plaza. Early 20th-century digs in the area uncovered Prokonnesian marble paving slabs and fragments of bronze dolphins, likely from fountain decorations, confirming the forum's paved surface and ornamental details. These findings, combined with textual descriptions, delineate the forum's boundaries and its integration with adjacent structures, though much of the site remains buried under modern .

Architectural Features

Materials and Structure

The Column of Constantine's shaft is constructed from seven cylindrical drums of red porphyry, a durable prized for its imperial purple hue and sourced from ancient quarries in Egypt's Eastern Desert, particularly Mons Porphyrites. These drums, each weighing several tons, were stacked vertically without to form the column's core, relying on precise cutting and mechanical for alignment and load distribution. The drums were secured at the joints with metal clamps and ties, often concealed by bronze laurel wreaths, a common engineering technique in late monumental . External iron hoops, fitted around the in the early CE, enhanced lateral reinforcement against seismic activity and environmental stresses common to the region. The column rests on a tall pedestal of white Prokonnesian marble, elevated on a broad platform that originally measured about 8.35 meters wide. The pedestal includes relief carvings on its faces, notably on the north side depicting the aurum coronarium with two winged Victories, a laurel-wreathed , and barbarians presenting vessels. Unlike triumphal columns like that of , which feature continuous spiral friezes narrating military victories, the Column of Constantine's porphyry surface is smooth and unadorned, emphasizing its role as a symbolic marker rather than a . This plain design, combined with the porphyry's rarity and the sophisticated stacking method, underscores the engineering prowess of 4th-century builders in creating a freestanding tower of exceptional height and permanence.

Dimensions and Design Elements

The Column of Constantine measures approximately 35 meters in height from the current ground level, including its pedestal and the remnants of its upper elements, though scholarly estimates for the original structure suggest a total of up to 40 meters excluding the crowning . The shaft itself consists of seven stacked cylindrical drums of , each standing about 3.2 meters tall, creating a monumental vertical form that dominates the surrounding space. The column's measures roughly 2.9 meters at the of the , providing a robust and stable profile suited to its role as a focal point in the urban landscape. The surface of the plain lacks extensive sculptural reliefs, emphasizing its smooth, luminous quality derived from the stone's hue, with joints between drums originally concealed by wreaths or similar decorative elements. Atop the shaft, the original capital was likely a Corinthian-style bronze structure supporting the statue of Constantine, though it has been lost to time and replaced in the medieval period with a simpler masonry version added during restorations under Emperor Manuel I Komnenos in the 12th century. These proportions draw from classical columnar orders, such as the Doric or Ionic, but are scaled up dramatically to imperial dimensions, underscoring the structure's function as a symbol of power and continuity in the new of .

Construction and Initial Purpose

Erection Under Constantine the Great

The Column of Constantine was constructed between approximately 328 and 330 AD, aligning with the dedication of as the new imperial capital on May 11, 330 AD. This timeline reflects 's efforts to transform the ancient city of into a grand urban center, with the column serving as a key element in the inaugural ceremonies that marked the city's refoundation. The erection occurred shortly after Constantine's consolidation of sole rule in 324 AD, positioning the monument as an immediate symbol of his vision for the empire's eastern hub. Constantine's motivations for building the column were deeply tied to legitimizing Constantinople as the "," rivaling the old capital's iconic landmarks like and asserting continuity and supremacy. By erecting such a , he aimed to embody divine favor and Christian , blending pagan traditions with emerging to foster a sense of permanence and prestige for the city. This act not only celebrated his but also projected the empire's shift eastward, drawing on symbolic to unify political and religious narratives. The column's construction utilized , a rare stone quarried exclusively in Egypt's eastern near Mons Porphyrites, reserved for imperial use due to its association with power and rarity. Massive drums of this material, each weighing several tons, were transported overland from the quarries to the River, then shipped across the to via specialized vessels capable of handling heavy cargoes—a logistical feat that underscored the emperor's command over vast resources and trade networks. Skilled masons and laborers, likely drawn from across the empire, assembled the structure on a within the , highlighting the project's scale and engineering prowess. This erection was integrated into Constantine's broader monumental program for Constantinople, which included the construction of defensive walls, multiple forums, aqueducts, and early churches such as the . The column's placement in the , along the main processional route known as the Mese, connected it to these developments, forming a cohesive urban landscape that facilitated imperial ceremonies and public gatherings. By coordinating such projects, ensured the column contributed to the city's overall identity as a fortified, sacred, and administratively vital center.

Topping Statue and Inaugural Symbolism

The Column of Constantine was crowned by a large bronze statue of Emperor , likely portraying him in the classical style as Apollo or , a hybrid figure blending pagan solar imagery with imperial attributes. The statue depicted the emperor nude or in military attire, adorned with a seven-rayed symbolizing divine radiance, holding a spear or scepter in his right hand and a globe or orb—possibly containing a figure of (Nike) or the city's Tyche ()—in his left, emphasizing themes of universal dominion and protection. This gilded figure, possibly a new commission or repurposed from earlier Hellenistic works, stood as the column's focal point upon completion around 330 AD. The statue's installation formed the climax of the inaugural ceremonies dedicating Constantinople as the new imperial capital on May 11, 330 AD, marking the city's official founding. A grand procession along the main avenue (Mese) culminated at the Forum of Constantine, where the statue was elevated atop the column amid rituals that included the placement of sacred relics within its base, such as fragments of the True Cross and other Christian artifacts, to imbue the site with holy significance. This event featured a pompa circensis—a ceremonial circus parade—in the nearby Hippodrome, with a gilded wooden replica of the statue circled seven times in a triumphal rite, accompanied by imperial bows, hymns, and chariot races, echoing Roman traditions while heralding the Christian era. These rituals not only celebrated the transfer of power from Rome but also ritually sanctified the new city through public spectacle and religious symbolism. Symbolically, the topped column functioned as an , the cosmic pillar connecting earth and heaven, positioned at the heart of Constantinople's urban plan to represent the empire's stability and centrality. The statue's solar and victorious motifs underscored Constantine's triumphs, portraying the column as a of imperial protection against enemies and a conduit for divine favor, blending pagan with emerging Christian undertones to legitimize the emperor's rule. Early sources, such as the Notitia Urbis Constantinopolitanae (ca. 425 AD), reference it as the "Columnam purpuream Constantini" in the city's sixth region, highlighting its role as a premier civic emblem amid forums, porticoes, and administrative structures. This central placement reinforced the monument's enduring status as a symbol of the city's foundational victory and sacred guardianship.

Historical Alterations and Events

Byzantine Modifications and Damage

The structure faced severe strain from subsequent earthquakes, highlighting the column's vulnerability despite its robust construction. The iconoclastic controversies of the likely had minimal direct impact on the monument, as edicts targeted religious images rather than pagan statues, though contemporary accounts provide only indirect evidence of any actions. In 1106 , the original atop the column collapsed during a . Emperor (r. 1143–1180) replaced it with a inscribed with a protective . The Fourth Crusade's in 1204 exacerbated the damage, with fires and pillaging affecting the area. During the ensuing Latin (1204–1261), crusader forces looted bronze plaques, reliefs, wreaths covering the joints, and other metallic components from the column and its for use as or weaponry, stripping much of its decorative finery. These depredations marked a low point in the column's Byzantine history, reducing it to a scarred amid the city's turmoil.

Restorations Across Eras

Following an in 416 AD that dislodged a section of the lower , the column was reinforced with braces encircling all blocks to prevent further structural failure. In the era, restorations began soon after the conquest, with overseeing initial protective measures amid urban redevelopment, though specific structural changes are sparsely documented. By the early , under Sultan around 1515, iron rings were fitted around the shaft to bolster stability against seismic activity, a modification that inspired the Turkish name Çemberlitaş ("hooped stone"). Later sultans continued these efforts, replacing damaged elements and adapting the base for longevity. The 1766 earthquake inflicted additional damage, exacerbating cracks and instability, which led to repairs under 's administration focused on immediate reinforcement. In the late , after the 1779 fire scorched the surface and razed nearby structures, Abdülhamid I commissioned comprehensive repairs, including the addition of the current base to elevate and secure the , along with updated iron hoops for enhanced support. Twentieth-century conservation shifted toward scientific preservation and archaeological context. In the 1960s, rescue excavations near the uncovered marble fragments and substructures, informing subsequent protective measures. Stabilization intensified from the 1970s, with crack-filling in the stone and bracket renewals, while further restoration work took place in the years leading up to 2010, including seismic retrofitting and monitoring by Turkish cultural authorities to safeguard the monument.

Symbolic and Cultural Role

Commemorative Significance

The Column of Constantine served as a dedication monument commemorating the refounding of as in 330 CE, marking Emperor the Great's establishment of a capital that supplanted the pagan traditions of old . This act symbolized the triumph of over , positioning the city as the "" under imperial Christian rule and integrating the monument into the urban landscape as a focal point of civic identity and imperial achievement. Atop the column stood a colossal statue of depicted in the guise of Apollo-Helios, adorned with a , spear, and globe, evoking Roman rituals that elevated the emperor to divine status. This , while rooted in pagan solar symbolism, was adapted in early Christian contexts through the placement of relics—such as fragments purportedly from Christ's —in the column's base, linking Constantine's deified image to Christian salvation narratives and reinforcing the emperor's role as God's chosen protector of the faith. The monument's enduring significance is evident in its depictions across medieval sources, including the , a 12th-century copy of a late itinerary map that illustrates the column and its as a landmark of the empire's eastern heartland. Byzantine chronicles further portrayed it as a protective , imbued with powers to safeguard the city from invasions, with legends crediting it with averting disasters through divine intervention tied to its relics and imperial legacy. In political propaganda, the column functioned as a site for imperial triumphs, notably during the 7th century under Emperor Heraclius, whose victorious return from campaigns against the Persians in 629–630 CE involved processions around the Forum of Constantine, utilizing the monument to evoke Constantine's divine favor and legitimize Heraclius' rule as a continuation of Christian imperial destiny.

Legacy and Comparisons

The Column of Constantine stands as the oldest surviving monument from the reign of Constantine the Great in Istanbul, having endured through Byzantine, Ottoman, and modern eras to influence subsequent columnar architecture in the region. Its design, featuring stacked porphyry drums forming a tall honorific shaft, set a precedent for later Byzantine columns such as those of Theodosius I and Arcadius, which integrated similar forum-centered placements to emphasize imperial authority and urban ritual spaces. In the Ottoman period, the column's preservation and proximity to major sites like the Nuruosmaniye Mosque complex underscored its role in blending Roman-Byzantine elements with Islamic architectural traditions, where freestanding columns continued to symbolize continuity and power in urban landscapes. Comparisons to Rome's (dedicated 113 CE) and (dedicated 193 CE) highlight shared honorific functions and approximate heights—around 35-40 meters—but reveal key distinctions in purpose and decoration. While the columns feature extensive spiral narrative reliefs celebrating military triumphs, the Column of Constantine lacks such carvings, prioritizing a plain shaft topped by an statue to convey civic and divine favor over . This shift underscores its role as a marker of in the new capital rather than a triumphal record, though its massive drum construction echoed the monumental scale of its predecessors to assert legitimacy. Modern scholarly interpretations, beginning with 19th-century documentation by architects like Wilhelm Salzenberg in his surveys of Byzantine monuments, have emphasized the column's role in preserving early Christian urban topography. 20th-century archaeologists, including Cyril Mango, further analyzed its evolution from pagan symbol to Christian relic, influencing studies on Constantinople's ceremonial landscape. Today, it receives recognition as part of Istanbul's Historic Areas, a since 1985, highlighting its global cultural value. The column's cultural legacy extends into literature and art, notably appearing in 10th-century Byzantine ekphrasis poems by of Rhodes, which described its gleam and imperial statue as emblems of the city's splendor. In contemporary , it serves as a key heritage site, featured in educational programs and tourism that connect ancient Roman foundations to modern national identity.

References

  1. [1]
    Column of Constantine - MCID - Columbia University
    16 The Porphyry Column became a symbol of eternal victory and protection for the city and its inhabitants already by the fifth century, while Constantine came ...
  2. [2]
    The Column Of Constantine In Early Byzantine Urban Landscape
    Completed in 330 AD, during the inauguration of the new capital, this colossal column was the architectural manifestation of Constantine the Great's transfer ...<|control11|><|separator|>
  3. [3]
    Çemberlitaş (Burnt Column) - İstanbul - Turkey Travel Planner
    Sep 5, 2022 · Atop the column was a gigantic statue of the Emperor Constantine dressed and adorned as Apollo. The statue toppled in a hurricane in 1106 and ...
  4. [4]
    Columns in İstanbul - Magic City ISTANBUL
    Dec 11, 2013 · The Column of Constantine​​ The column is located on Yeniçeriler Caddesi in central Istanbul, along the old Divan Yolu (the 'Road to the Imperial ...Missing: street | Show results with:street<|separator|>
  5. [5]
    Column of Constantine | Istanbul, Türkiye | Attractions - Lonely Planet
    This column is one of the city's most ancient monuments. Located in a pigeon-packed plaza next to the Çemberlitaş tram stop, it once stood in the grand Forum ...
  6. [6]
    Column of Constantine and Nuruosmaniye Mosque İstanbul
    The Column of Constantine stands majestically in the heart of Istanbul's historic Cemberlitas Square, merely 300 meters from the entrance of the Nur-ul ...
  7. [7]
    Column of Constantine (2025) - All You Need to Know ... - Tripadvisor
    Rating 3.8 (264) This towering column marks the foundation of Constantinople and is easy to find in the Fatih district, close to the Grand Bazaar, Old Bazaar, and Gulhane Park.
  8. [8]
    Column of Constantine - myCityHunt.com
    It stands at Çemberlitaş Square, a vibrant area surrounded by other historical sites like the Nuruosmaniye Mosque and the Grand Bazaar.Missing: tourists | Show results with:tourists
  9. [9]
    Column of Constantine Istanbul (2025) - Airial Travel
    As it's an outdoor monument, the Column of Constantine is accessible at all times. However, visiting during daylight hours is recommended for better visibility ...
  10. [10]
    Column of Constantine | What to Know Before You Go - Mindtrip
    Unique Ancient Roman Architecture: Constructed from porphyry stone with decorative rings, the column provides a glimpse into ancient Roman and Byzantine ...
  11. [11]
    [PDF] The Forum of Constantine in Constantinople: What do we know ...
    Except for the column (which still survives) and some minor archaeological finds, the forum is known entirely through reports in Byzantine texts, which must ...
  12. [12]
    1. Late Antiquity/Early Byzantine Period (4th-7th c.)
    The Forum Constantini was circular, flanked by porticoes.3 The porphyry column that marked the forum's center still survives today under the name of Çemberlitaş ...Missing: dimensions | Show results with:dimensions
  13. [13]
    Column of Constantine - The Byzantine Legacy
    The column was erected when Constantine expanded Byzantium through a series of major construction works between the years 324 and 330. It is made Egyptian ...
  14. [14]
    Discussion - Last Statues of Antiquity - University of Oxford
    ... column of Constantine in Constantinople, LSA-2457). The top face of the drum has two surviving dowel holes with cast channels cut into it (a third one was ...Missing: assembly | Show results with:assembly
  15. [15]
    [PDF] TOWARDS A NEW HONORIFIC COLUMN
    Schematic reconstruction of. Constantinople's sixth-century skyline. (drawn by the author). ... Konstantinopolis'i de Çemberlitaş Sütunu temsil etmiştir.Missing: 20th | Show results with:20th
  16. [16]
    [PDF] UCLA Electronic Theses and Dissertations - eScholarship
    The Column of Constantine was not the only large column in the city.3 ... Mango examined architectural details such as the number of drums, the.<|control11|><|separator|>
  17. [17]
    Constantinople, Column of Constantine - Livius.org
    Aug 10, 2020 · The Column, which is nowadays known as Çemberlitaş ("the hooped column") was erected to commemorate the moment on which Constantinople became the New Rome.Missing: erection | Show results with:erection
  18. [18]
  19. [19]
    Roman Art & Imperial Marmor – Discentes
    Feb 2, 2025 · The import of monolithic stones from Egypt was a manifestation of imperial power, as only the emperor could conduct the logistics of such a feat ...
  20. [20]
    The life and afterlife of Constantine's Column |
    The life and afterlife of Constantine's Column. Published online by Cambridge University Press: 27 November 2014. Robert Ousterhout.
  21. [21]
    Notitia Urbis Constantinopolitanae - Livius.org
    Apr 29, 2020 · The Notitia Urbis Constantinopolitanae belongs to the ancient genre of "regionaries": a list of monuments and civil servants in the regions ...Missing: Column Constantine
  22. [22]
    The Column of Constantine at Constantinople: A Cultural History ...
    The Column of Constantine symbolizes the cultural and political evolution of Constantinople from 330 to 1453 C.E.; Originally a pagan monument, it evolved into ...<|separator|>
  23. [23]
    (PDF) THE ISSUE OF RENOVATION OF COLUMN ... - Academia.edu
    Due to its central location, the Column of Constantine exposed to the impacts of earthquake, storm and especially fire at most either Byzantine or Ottoman ...Missing: scholarly | Show results with:scholarly
  24. [24]
    Tarihi Çemberlitaş Sütunu'nun restorasyonu başladı - Arkitera.com
    Sep 18, 2003 · Miladi 325-328 yıllarında İmparator I. Constantin tarafından bugünkü yerine dikilen tarihi Çemberlitaş Sütunu'nun restorasyonuna, Başkan Gürtuna ...
  25. [25]
    "The Column of Constantine at Constantinople: A Cultural History ...
    Originally erected as a pagan triumphal column in celebration of Constantine's re-foundation of Byzantium as Constantinople in 330 C.E., this monument was soon ...Missing: commemorative dedication
  26. [26]
    The life and afterlife of Constantine's Column - ResearchGate
    Aug 9, 2025 · Download Citation | On Nov 27, 2014, Robert Ousterhout published The life and afterlife of Constantine's Column | Find, read and cite all ...
  27. [27]
    Guardians of Istanbul: The talismanic columns | Daily Sabah
    Feb 24, 2023 · The Column of Constantine is regarded as having talismanic qualities in addition to its historical and cultural value. It was thought that this ...Missing: Tabula Peutingeriana
  28. [28]
    THE COLUMN OF CONSTANTINE IN EARLY BYZANTINE URBAN ...
    The Column was built of drums each weighing approximately 60 tons (54). The spectacle related to the transportation of the monumental drums of the column ...Missing: nine | Show results with:nine
  29. [29]
    Istanbul - Byzantine, Ottoman, Mosques | Britannica
    Constantine's column, the Burnt Column (Çemberlitaş), a shaft of porphyry drums bound by metal laurel leaves, still stands near the Nuruosmaniye mosque complex, ...Missing: comparisons | Show results with:comparisons
  30. [30]
    The Column Of Constantine In Early Byzantine Urban Landscape
    The study explores the significance of the Column of Constantine within the context of early Byzantine urban design and identity during the transformation ...
  31. [31]
    An illustrated description of the main Roman monuments of Istanbul ...
    The column was made up of ten or eleven porphyry drums: it supported a statue of the Emperor. The iron hoops were added in the Vth century to improve its ...Missing: engineering | Show results with:engineering
  32. [32]
    Discovering the Byzantine Art of Building: Lectures at the RIBA ... - jstor
    St Martin, for example, features a quincunx plan with a four-column interior configuration. ... (London, ); Wilhelm Salzenberg, Alt-christliche Baudenkmale ...
  33. [33]
    Constantine of Rhodes, On Constantinople and the Church of the ...
    A composite book for a composite poem: Sometime between 913 and 959, Constantine of Rhodes wrote a poetic description of some monuments of Constantinople (on ...
  34. [34]
    Historic Areas of Istanbul - UNESCO World Heritage Centre
    h) Several other conservation projects are being carried out: restoration of the Column of Constantine, restoration of Column of Marcian, restoration of ...