Ho Dynasty Citadel’s Secret P1 – Three months of construction, an exploit

According to Ngo Si Lien’s “Dai Viet Su Ky Toan Thu” (Records of Historian about Dai Viet’s History), King Ho Quy Ly instructed Prime Minister Do Tinh to build the Ho Citadel in Thanh Hoa in January 1397. The construction was completed in March.

Ho Dynasty Citadel s Secret P1 - Three months of construction, an exploit

Although the Ho Dynasty only lasted from 1400 to 1407, Emperor Ho left a significant legacy – the Ho Dynasty Citadel, a unique construction work, the most special ancient citadel in Vietnam and Southeast Asia. Ho Quy Ly is also credited for pioneering the circulation of banknotes in Vietnam, expanding the network of schools and promoting the use of the Vietnamese Nom ideographic script.

Located in the two communes of Vinh Tien and Vinh Long in Vinh Loc District, the citadel measures 870m by 883m. Ho Quy Ly’s rise to power began the short-lived Ho dynasty, and that is why the citadel is still known as the Ho Dynasty Citadel.

Ho Dynasty Citadel s Secret P1 - Three months of construction, an exploit

Also known as the Tay Do Citadel, the ancient building is famous for being strategically located in a position that can ensure it is easily defended. The citadel is shielded by a mountain range to the north, while the Ma River runs to its west and the Bưởi River to the south, creating a huge natural moat.

Unlike many other citadels that were built from bricks, the Ho Dynasty Citadel was built with huge stone slabs sourced from nearby mountains. It features four arched entrances facing east, west, north and south.

The large stone slabs required a new building technique that saw workers install the slabs without the use of any mortar. The citadel buildings represent an outstanding example of a new style of South-East Asian imperial city.

Ho Dynasty Citadel s Secret P1 - Three months of construction, an exploit

The citadel includes 3 sections: La Thanh and bamboo hedge; water trench and citadel wall; and internal area. The internal section has palaces such as: Hoang Nguyen, Nhan Tho, Phu Cuc, Dong Cung, Dong Thai Mieu, Tay Thai Mieu, Diem Canh, … with marble-paved roads connecting different palaces to each other.

The outside of the citadel are constructed works such as: Bao Thanh (Ly Cung) palace, altar of the sky and the earth, patterned-brick access to the sky and the earth altar, road from Thien ly to Hoa Chau.

The stone citadel had been constructed based on rectangular drawing with two edges South (front) and North (rear) of 900m long, and two edges East (left) and West (right). Now only stone block part with the height of 5 – 6m exists.

Ho Dynasty Citadel s Secret P1 - Three months of construction, an exploit

The citadel has diameter of 3,508m, with wall of 5 – 6m high except the wall near the Southern gate is 10m. All the stone blocks were trimmed carefully into square blocks with dimensions of 1.4 x 1 x 0.7m, and few of 4 x 1.2 x 1.2m and 5.1 x 1 x 1.2m. The citadel had four gates at the central of four edges South, North, East, and West.

The surrounding of the citadel in the northern direction, i.e. coming from the back gate is the Earthen Elephant Mountain with the head looking at the South, and a bit further exist the Lai Mountain. The East of the citadel stands the Black Dog Mountain. The West of citadel looks at the Lying Buffalo Mountain. The South directs the Don Son Mountain. It is also called Dun or Cung (Bow) mountain as it is shaped as a bow directing at the citadel.

Near the mountain there exists Ma (horse) river coming from the West and Bar River coming from the East. These rivers are confluent at Huu Chap, catching the citadel in the middle.

Ho Dynasty Citadel s Secret P1 - Three months of construction, an exploit

There still exists a couple of stone dragons at the gate carving flower string with two lines of flower leaves in both sides, leave leads rolling into a circle with daisy flower form. This is a typical decoration on stone of relics in Ly dynasty and early Tran dynasty. Square flower-carved bricks, with dimension of 35cm x 35cm, some brick without flower decoration but a rectangular sculptured deep into the brick with letters showing 15.2 location of brick production such as: Vinh Ninh, Huong Nhi commune, down-Yen Ton commune.

As the citadel had been made by stone it passed 600 of existence with the form almost as original. Only the residential buildings and royal palace inside the citadel had been collapsed and buried.

Ho Dynasty Citadel can be compared with other world citadel, ancient city and Derbent fortress which were pat of northern lines of the Sasanian Persian Empire in the East and West of the Caspian Sea.

Related posts:

  1. Ho Dynasty Citadel’s Secret P2 – Secret Of Rocks
  2. Ho Citadel Construction Legend
  3. Ho Dynasty Citadel Now World Heritage
  4. Ho Citadel – A national heritage site
  5. Ho Citadel – UNESCO World Heritage Site

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