- At the base of the flag tower are six reliefs, portraying the daily lives of ethnic minoty groups in the Dong Van Stone Plateau.
- The flag tower represents the strength, pride and indomitable will of the Vietnamese nation over the thousands of years of its construction and defense.
- National flag is 9m long, 6m wide, 54 square metres, symbolising the country's 54 ethnic groups.
- The Lung Cu flag tower was completed on September 25, 2010 after seven months under construction.
- Lung Cu is Vietnam’s northernmost point.
- Several ethnic minorities live at the foot of Lung Cu mountain in what is called "Corn valley" in the Mong language because maize is the only crop grown there.
The Lolo - another ethnic group in the region - have an interesting explanation of the origin of this mythical mountain. On the summit are two lakes which the local people call wells. According to a Lo Lo legend, the two wells are the eyes of a sacred dragon.
Nguyen Thi Hong, a Lolo who lives in Lung Cu, said, "In the past, life in the region was very hard because of the lack of water. Before rising to heaven, the sacred dragon, out of kindness, left the villagers, his eyes which were later turned into two semi-circular lakes. The first belongs to the Mong and the second to the Lolo”.
Diem My, a tourist from Ho Chi Minh City, shared, "There’s a sign here that says this is the Lung Cu Flag Tower of Dong Van district, Ha Giang province. From here, I can admire the magnificence of nature and feel the sacredness of national sovereignty”.
Danh Tiep, a Vietnamese who lives in the Czech Republic, noted, "I find the flag tower interesting. I didn’t know that the 54 square meters of the flag represents Vietnam’s 54 ethnic groups. The flag tower dates back to General Ly Thuong Kiet’s time. I will share this information with my foreign friends”.