These are some pictures of the Dong Da Mound Festival held on the 5th day of Tet every year to preserve and promote the cultural spiritual values ​​of the nation, continue the patriotic tradition, express deep gratitude to the generations who have sacrificed for the independence and freedom of the Fatherland; affirm the position, great stature, and great historical value of the Ngoc Hoi – Dong Da victory in the history of the struggle to build and defend the country of the Vietnamese people.