Archaeological excavations at the Nam Giao sacrificial altar continue.

Currently, the Management Board of Ho Citadel and Key Relics of Thanh Hoa Province is actively coordinating with the Vietnam Institute of Archaeology to carry out archaeological excavations of the Nam Giao Altar - Tay Do, part of the Ho Citadel World Heritage Site, in order to clarify the appearance of the relic and serve the conservation and restoration of traditional rituals.