Herecommended the centre continue documenting the study and excavation of thesite, located in Vinh Loc district, and apply non-invasive scanning techniqueto improve excavation effectiveness.
Manhartsaid the Citadel of the Ho Dynasty (1400 - 1407) holds architectural andlandscape values that were the greatest and most unique of its kind in EastAsia and Southeast Asia in the late 14th and early 15th centuries.

Theseare important evidences of the integrity, authenticity, and globally outstandingvalues of the citadel, he noted, adding that the archaeological findings willbe a trustworthy source for restoring part of the heritage.
Theyalso demonstrate local authorities and people’s efforts to implement theInternational Council on Monuments and Sites’ recommendations about heritage valuepreservation and promotion as in line with the 1972 UNESCO World Heritage Convention,Tin added.
Thesame day, Director of the Thanh Hoa provincial Department of Culture, Sportsand Tourism Pham Nguyen Hong had a working session with UNESCO Representative ChristianManhart, calling for the UNESCO Office’s assistance for the preservation andpromotion of the citadel’s values./.