Nobody knows when Mai Dong Village was established, but the archeological evidence tells us that people were living in the village when the ancient Thang Long citadel was built 1000 years ago.
Like many other villages in Vietnam, the lives of people in Binh Minh commune used to be very difficult. But since the discovery of the cultivation of medicinal herbs and essence plants, the villagers have been on the road from poverty to prosperity;
Comprised of Na Lum and Na Lang Hamlets in Yen Chau District, Son La Province, Muong Lum Valley leads the country in the number of long-lived people, according to the latest statistics released by National Committee for Population, Family and Child Care.