Hanoi’s Underground Treasure: The Rare Le So Dynasty Architectural Model Recognized as a National Treasure

Unearthed from the deep historical layers of the Imperial Citadel of Thang Long, a UNESCO World Heritage site in Hanoi, the "Le So Dynasty Architectural Model" is an extraordinary archaeological find. This rare artifact offers invaluable insights into the structural design and aesthetic grandeur of ancient Vietnamese architecture. Crafted from high-quality ceramic during the 15th to 16th centuries, this model has officially been recognized as a National Treasure of Vietnam under Decision No. 73/QD-TTg, signed by Deputy Prime Minister Tran Hong Ha on January 18, 2024.

Although the ceramic model is no longer entirely whole, the surviving portion is exceptionally well-preserved and detailed. Originally, the complete model consisted of at least three main parts: the foundation, the load-bearing column frame, and the elaborate roof. The remaining artifact features a significant portion of the roof and the underlying structural framework, allowing historians and architects to reconstruct the building techniques of the Le So era with remarkable accuracy.

One of the most valuable aspects of this architectural model is its detailed depiction of the supporting frame. The structure features a total of 16 columns, carefully divided into main columns (cot cai) and outer eave columns (cot quan). The complex beam system is also clearly visible, showing key components such as tension beams, upper tie-beams, and lower tie-beams.

Most importantly, the model showcases a highly sophisticated "dougong" (dau cung) bracket system, a characteristic element of ancient East Asian wooden architecture. This interlocking wooden bracket system includes blocks (dau), arms (cung), and squaring beams, which served to support the heavy overhanging roof. The roof itself is meticulously modeled, showcasing round purlins, rafters, eave boards, and a beautiful covering of traditional yin-yang tiles (ngoi am duong or ngoi ong).

For archaeologists and historians, this model is much more than a beautiful relic; it is a crucial piece of historical evidence. When combined with written records and other excavated artifacts, the Le So Dynasty Architectural Model provides the essential data needed to authentically reconstruct the lost imperial palaces of the Thang Long Imperial Citadel. It stands as a testament to the advanced engineering, artistic sophistication, and cultural identity of Vietnam during one of its most prosperous golden ages. Visitors to the Thang Long Imperial Citadel can now view this magnificent artifact on display, gaining a deeper appreciation for the rich history buried beneath Hanoi's modern streets. The recognition of this piece as a National Treasure further highlights Vietnam's commitment to preserving and celebrating its monumental cultural heritage.

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