On November 30, Phong Nha - Ke Bang National Park Management Board said that the death anniversary of the heroic martyrs who died at Hang Tam Co and Road 20 - Quyet Thang will be held from November 27 to December 5 (from October 8 to 16. In recent days, the number of visitors to offer incense at the relic has increased sharply.
At the common tomb of martyrs, traditional rituals such as daily offerings, meal offerings - commendedations and week offerings were maintained for 9 days. This is an annual ceremony to pay tribute to those who fell on the Truong Son mountain.
Mr. Pham Xuan Trieu - Deputy Management Board of the Road 20 - Quyet Thang Heroes' Martyrs' Memorial Temple said that the death anniversary is an occasion for people and tourists to remember and reflect on the great sacrifices of the previous generation.
These days, Hang Tam Co is always suspected of smoking incense. Coming to offer incense at the common grave, Ms. Bui Linh Quyen (Ninh Binh) was moved, the martyrs were lying in the middle of the mountains and forests so that we can have peace today. To be able to burn incense on the occasion of the anniversary of the uncles and aunts, she herself is very grateful and appreciative.

Hang Tam Co relic is located at Km 16+500 of Road 20 - Quyet Thang, Thuong Trach commune. This is a fierce "fire zone" in the years 1971 - 1972, On November 14, 1972, while on duty, 13 soldiers, including 8 young volunteers and 5 artillery pieces, died when US aircraft attacked the cave area.
Ranked as a Special National Monument in 2013, Hang Tam Co became a red address for traditional education and martyrs' gratitude.
Previously, on November 8, Quang Tri province held a memorial service and buried the remains of martyrs discovered during the restoration of the relic. The results of the DNA test match the relatives of the martyrs who fought at Hang Tam Co. According to the family's wishes, the remains were buried in the common grave in the relic site.
Lao Dong Newspaper has published a series of articles "Hang Tam Co - Red address hoping to be worthy of being a relic" - a journey back to history, paying tribute to those who have fallen on the legendary route 20 - Quyet Thang. Nam Co Cave is located next to the Memorial Temple for the Heroes and Martyrs of Road 20 Quyet Thang.
More than half a century has passed, Hang Tam Co is still an immortal symbol of patriotism and courage. The card line opens with the work "Pride of the heroic martyrs of Hang Tam Co", realistically recreating the image of the youth volunteers and the soldiers who sacrificed in the great war of Truong Son.
Next, the song "Story of the sacredness of Hang Tam Co" exploits spiritual depth, recording the feelings of people, tourists, and those who find peace and faith when coming to this place. "Wishing to build 8 wind tombs in the sacred relic" shows the desire to show gratitude and soothe the pain of martyrs' relatives.
The song "To elevate and promote the value of Hang Tam Co relic" raises the need to preserve, honor and develop the value of relics associated with traditional education and cultural tourism. The end is the video "Hang Tam Co - mai mai ca chuong anh hung", recreating the sacred space and settling emotions, affirming the immortal value of the relic in the national mind.