International Experts Assess Damage at Preah Vihear
A new assessment by experts associated with UNESCO’s World Heritage Centre and the International Council on Monuments and Sites (ICOMOS) has documented extensive damage at Cambodia’s Preah Vihear Temple, according to the report described in the supplied source.
The more than 100-page mission report includes photographs and detailed observations from an international advisory mission carried out at the historic temple from March 1 to March 6.
The assessment was requested by Cambodian authorities following armed clashes along the Cambodia-Thailand border in 2025. According to the supplied report, the mission represented the first official international UNESCO-ICOMOS visit to the site since a monitoring mission in 2009.
Historic Temple Faces Serious Structural Damage
Preah Vihear is a major Khmer architectural monument dating back to the ninth century and is recognized as a UNESCO World Heritage property.
The experts reportedly observed areas where architectural elements had either been completely destroyed, seriously damaged, displaced from their original positions or collapsed following powerful explosions.
Among the damage documented were sections of upper walls that had fallen to the ground, damaged western columns in the sacred area, and structural problems affecting Gopura V.
Stairs, entrances and other architectural components were also reported to have suffered damage.
The assessment indicates that the impact was not limited to one isolated section of the monument. Instead, multiple parts of the heritage property were affected.
Decorative Features and Inscriptions Also Damaged
The temple's cultural value extends beyond its basic structures.
Decorative architectural elements, carvings and inscriptions are important parts of the site's historical character. According to the supplied report, several decorative components were damaged or lost.
Experts reportedly observed decorated sections of walls lying on the ground, together with numerous fragments scattered around the site.
Such damage creates an additional conservation challenge because specialists must determine which original pieces can be safely documented, protected and potentially incorporated into future restoration work.
Explosions and Debris Created Additional Risks
The mission also documented damage associated with explosive impacts.
Large sections of wall surfaces were reportedly affected by fragments from explosions, while parts of the surrounding rock landscape were weakened by heavy bombardment.
The experts also observed explosion craters, remnants of warfare and unexploded ordnance (UXO) across parts of the heritage area, buffer zone and surrounding locations.
This creates a serious obstacle for conservation workers.
Before specialists can safely undertake detailed restoration activities, potentially dangerous remnants of conflict must first be identified and cleared.
Tourism and Conservation Infrastructure Was Also Affected
The reported damage extends beyond the ancient temple itself.
Infrastructure used to support tourism and conservation activities was also reportedly damaged, including equipment used to move stone blocks, stone-cutting facilities, stone-cutting machinery, a weather station and a recently established interpretation centre.
The loss of such facilities could make future conservation work more difficult and potentially increase the time and resources required for recovery.
Hundreds of Damaged Locations Identified
According to information provided to the international experts by the National Authority for Preah Vihear, 562 damaged locations were identified across the site.
The supplied report attributes 142 of those locations to fighting in July and another 420 to fighting in December.
These figures illustrate the scale of the conservation challenge facing authorities and heritage specialists.
Rather than dealing with a single damaged building or isolated impact point, conservation teams are confronted with damage spread across a large cultural landscape.
Unexploded Ordnance Remains a Major Concern
One of the most urgent issues identified by the mission is the presence of unexploded ordnance.
The report says that Cambodian Mine Action Centre (CMAC) officials briefed the mission about the types of weapons they believed had affected the site, including artillery, cluster munitions and mortar-related impacts.
Because the supplied article attributes these assessments to CMAC, the weapon-related details should be understood as information provided by the Cambodian mine-action authorities rather than an independent determination presented separately in the article.
For heritage workers, however, the practical problem is clear: unexploded or potentially dangerous remnants can prevent specialists from safely accessing affected areas.
Conservation Work Cannot Begin Normally Until the Site Is Made Safe
The UNESCO-ICOMOS mission reportedly placed the removal of UXO among the first priorities.
Experts recommended that the site be cleared before broader conservation operations resume. They also called for the most unstable structures to be secured and strengthened.
Damaged architectural elements, surviving fragments and areas facing additional risks should also be protected.
The timing is particularly important because the arrival of the rainy season could create additional problems for already weakened structures.
Rainwater, erosion and unstable ground conditions can complicate conservation work and potentially worsen vulnerabilities in damaged areas.
Detailed Documentation Will Be Essential
Another major recommendation is continued documentation of the site's condition.
For a historic monument that has experienced widespread damage, detailed records can help conservation specialists establish what has been lost, what remains stable and which areas require immediate intervention.
Photographs, architectural surveys, mapping and technical assessments can also provide important information for future restoration decisions.
Preserving an accurate record of the current condition is therefore an important part of protecting the site's heritage value.
UNESCO-ICOMOS Calls for International Cooperation
The mission also recommended broader cooperation to allow emergency conservation work to proceed safely.
According to the supplied report, experts called for multilateral discussions aimed at ensuring that no further hostile activity interferes with emergency conservation measures.
They also recommended coordination between teams responsible for UXO clearance and heritage specialists.
Such cooperation would allow safety operations and conservation planning to be carried out in a more coordinated manner.
Thailand's Participation Highlighted in the Recommendations
The report also calls for Thailand's participation in efforts to ensure that emergency work can proceed without creating additional risks for workers, site managers or international experts.
The recommendation is significant because heritage conservation at a sensitive border location requires more than technical expertise.
Access, security and cooperation between relevant parties are necessary before specialists can safely conduct detailed restoration and stabilization work.
Protecting Preah Vihear's Heritage Value
The damage described in the report raises concerns not only about individual stones, walls or architectural features, but also about the overall integrity and authenticity of the historic site.
When original architectural elements are displaced, destroyed or lost, conservation experts must carefully consider how restoration can be carried out without creating a reconstruction that misrepresents the site's history.
That makes the documentation and protection of surviving materials particularly important.
What Happens Next?
The immediate priorities identified by the mission can be summarized in several stages:
Clear unexploded ordnance and other dangerous remnants.
Secure unstable architectural structures.
Protect damaged areas and surviving fragments.
Continue documenting the condition of the monument.
Coordinate mine-clearance and conservation teams.
Establish conditions that allow international conservation specialists to work safely.
Strengthen international cooperation to prevent further damage.
These measures would provide the foundation for more detailed conservation and restoration planning.
A Difficult Road to Recovery
Preah Vihear represents an important part of Cambodia's cultural heritage and Khmer architectural history.
The latest assessment described in the supplied source shows that recovering from conflict-related damage will require careful technical work, long-term planning and international cooperation.
The priority now is not simply to repair visible damage. Conservation specialists must first make the site safe, document what has happened and protect the remaining historic fabric.
Only after those emergency steps can larger questions about restoration and long-term management be addressed.
Conclusion
The UNESCO-ICOMOS assessment provides a detailed picture of the challenges facing Preah Vihear Temple following the reported border conflict.
With hundreds of damaged locations, structural instability, damaged decorative elements and the reported presence of unexploded ordnance, the recovery process is likely to require extensive coordination.
The recommendations emphasize safety, documentation, emergency stabilization and international cooperation.
For a World Heritage site with centuries of history, careful conservation will be essential to ensure that the remaining architecture and cultural evidence are protected for future generations.
Health/Safety Note: This article discusses heritage conservation and unexploded-ordnance risks for general informational purposes. It does not provide technical instructions for handling or removing explosive remnants.
Source note: This article is an original rewrite based on the supplied report/article. Claims concerning the causes of damage and specific weapon types are attributed to the authorities and report described in the source rather than independently presented as verified findings.
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