According to the records, the construction unit is reinforcing many sections of the stone wall of Thanh Nha Ho World Cultural Heritage (Vinh Loc District, Thanh Hoa Province) to protect and avoid the risk of collapse and landslides.

It is known that this is a project to urgently reinforce and support sections of stone walls at risk of collapse and landslides, approved by the People's Committee of Thanh Hoa province in the previous economic - technical report on construction investment. The project investor is the Department of Culture, Sports and Tourism of Thanh Hoa.
According to the approval decision, the repair of 16 stone walls with solutions will be carried out with solutions such as: reinforcing stones protruding on the outside with a steel frame system; The adjacent points are inserted wood for fixed. At the same time, treating surface drainage on the wall wall, removing plants, creating a slope of 5 - 10% towards the drainage groove, under the waterproofing groove. The roof of the roof will close the reinforced concrete pile and place the water pipe from the slope to the foot of the wall.


The project will also implement specific solutions for each stone section, including: sections 04, 07, 09, 11, 12, 13, 15 and 16. In addition, protective railings have been built around the reinforced sections to ensure the safety of people and tourists.
The total investment of the project is more than 14 billion VND, from the provincial budget to strengthen the facilities of the cultural sector in the period of 2021 - 2025.
Ho Ho palace (also known as Tay Do palace) in Vinh Long and Vinh Tien communes (Vinh Loc district, Thanh Hoa) was built by Ho Quy Ly in 1397. This is one of the most unique stone architectural works in Vietnam and the world. This place was once considered the capital, cultural, political and social center of the Northern Hue under the Ho Dynasty.
After more than 600 years, the Imperial Citadel area of this massive structure has been preserved quite intact.