Temple of Bel - Fusion, Syria
| General Attributes |
DOI| 10.34946/D6VP4Z | |
| Project Name | Temple of Bel - Fusion |
| Country | Syria |
| Status | Published |
| Citation |
| Scott McAvoy, Kiyohide Saito, Gabriele Fangi 2026: Temple of Bel - Fusion - Data Derivatives - 3D photogrammetry. Distributed by Open Heritage 3D. https://doi.org/10.34946/D6VP4Z |
| Download |
| Spatial Data | Download (Links to all available data types will be emailed) |
| Data Type |
Size |
Device Name |
Device Type |
| Data Derivatives - 3D photogrammetry | 132 GB | Not available | Not available |
| Background |
| Site Description | The Temple of Bel stood at the heart of the ancient oasis city of Palmyra (Tadmur), in the Syrian desert northeast of Damascus. Dedicated in 32 CE to the supreme Palmyrene deity Bel, worshipped alongside the gods Yarhibol and Aglibol, it was the largest and most important religious monument of the city and one of the foremost sanctuaries of the Roman Near East. The complex comprised a vast colonnaded sacred enclosure, or temenos, surrounding a central cella raised on a stylobate. The cella measured roughly 39.45 by 13.86 meters and rose more than 14 meters in height, its exterior ringed by a peristyle of fluted columns and its roofline crowned with stepped merlons. Within, two adyta at the north and south ends were covered by monolithic carved ceilings, the northern bearing a celebrated relief of the zodiac and planetary deities and the southern a richly patterned floral coffer. In its fusion of Greco-Roman architectural form with Semitic religious tradition and decorative motif, the temple was described as one of the most eloquent and stupendous monuments of the Roman East. The sanctuary survived remarkably intact into the modern era, having served in turn as a fortified church and a mosque, until its deliberate destruction with explosives in August 2015, which leveled the cella and left only the monumental entrance portico partially standing. Palmyra is an inscribed UNESCO World Heritage Site, and the Temple of Bel remains among its most studied, and most mourned, losses.
At the heart of Palmyrene religious life stood the Temple of Bel, consecrated in 32 CE to the Mesopotamian god Bel, worshipped alongside the lunar deity Aglibol and the sun god Yarhibol. The temple complex occupied an enormous precinct measuring approximately 205 meters per side, enclosed by a portico of Corinthian columns. The cella itself, rising over 14 meters in height and measuring 39.45 by 13.86 meters at the stylobate level, represented an extraordinary fusion of classical and oriental architectural principles. Its gilded bronze capitals and intricately carved adyton ceilings (featuring the famous zodiac and floral patterns) made it, in the words of scholars, the most eloquent and stupendous monument of the Roman East. | |
| Project Description | This record presents a high-resolution digital reconstruction of the Temple of Bel assembled entirely from imagery and laser scans captured before the monument's destruction in 2015. Because no single pre-destruction survey fully documents the temple, the reconstruction integrates three independent, heterogeneous datasets within one metrically anchored framework, using a hierarchical alignment strategy that registers sources in order of decreasing geometric reliability so that higher-confidence geometry is never displaced by lower-confidence imagery.
The contributing datasets, each independently citable, are:
Lost scanner poses in the legacy LiDAR were first recovered with a visibility-based method, released as the open-source e57repose tool. The panoramas were then anchored to the registered scans by manual correspondence and used to colorize the laser surface, and tourist photographs were stratified by available camera metadata and fused on top in RealityCapture. This produces a cascade of cumulative reconstruction stages, S0 through S5, spanning the raw laser baseline through the fully photo-augmented model. Each stage was compared against the raw LiDAR using M3C2 to quantify where it remains metrically faithful and where it departs.
The central finding is a trade-off between detail and certainty: adding imagery sharpens surface texture but progressively pulls the reconstructed geometry away from the laser reference, and conventional photogrammetric quality metrics such as reprojection error do not predict geometric accuracy. The datasets and stages are therefore published together with an explicit characterization of each one's reliability, and an exemplary composite, drawing interior geometry, exterior detail, and laser-anchored shadowed surfaces from whichever stage serves each region best, is provided as a practical default. All layers can be explored interactively in a web-based viewer at openheritage3d.org. Reconstructed here for the first time as a unified, uncertainty-characterized record of the monument as it stood, the model is intended to support documentation, scholarship, and the restoration planning now under international coordination for Palmyra.
Full methodology, quantitative analysis, and per-stage uncertainty are reported in:
McAvoy, S., Wahbeh, W., Menna, F., Nocerino, E., Agarwal, S., and Kuester, F. (2026). Updated Reconstruction of the Temple of Bel in Palmyra, Syria. Remote Sensing, XX(X), XXXX. [DOI to be updated upon publication] | |
| UNESCO World Heritage Site | Site of Palmyra |
| Video Preview | Video Link |
| Collection Date | 0001-01-01 to 0001-01-01 |
| Publication Date | 2026-06-04 |
| License Type | CC BY |
| Model Information |
| Reuse Score | B - High-Quality Model without Georeferencing |
| Curator Notes | The Raw datasets are hosted elsewhere, this fusion combines those products. |
| Entities |
| Contributors | Scott McAvoy, Kiyohide Saito, Gabriele Fangi |
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