Vietnam, whose national name is the Socialist Republic of Vietnam, is a socialist country located at the eastern tip of the Indochina peninsula in Southeast Asia, bordering Laos, Cambodia, China, and the sea. East and Gulf of Thailand. The territory of Vietnam has been inhabited since the Paleolithic era, starting with the states of Van Lang and Au Lac. Au Lac was annexed by the Trieu Dynasty in the North in the early 2nd century BC, followed by a period of Northern domination lasting more than a millennium. The independent monarchy was re-established after Ngo Quyen's victory over the Southern Han dynasty. This event paved the way for independent dynasties to succeed and then repeatedly win against wars of invasion from the North as well as gradually expanding to the south. The final period of Northern domination ended after the Lam Son insurgent army's victory over the Ming Dynasty.

According to the ups and downs of the nation's history, Vietnamese customs and practices are constantly being innovated according to social trends. One of the oldest and most influential customs in history is the custom of chewing betel. This is a custom that dates back to the Hung King period and originates from the legend of Trau Areca and this custom has become a typical image of the brotherhood and love between husband and wife of Vietnamese people. Not only the custom of chewing betel, Vietnam also has another custom that was born in ancient times, which is the custom of welcoming the new year, also known as Tet - traditional Tet.

Ao Dai not only enhances the gentle and loving beauty of Vietnamese women, but it also shows discreetness, modesty and strange charm. Ao dai today is becoming more and more diverse in shape, color, and pattern, but it still retains its traditional appearance.

Lang Son, the prime land of the Fatherland, on spring days is more poetic with blooming peach blossoms and white apricot gardens stretching out. Traveling in the spring to Lang, visitors can not only explore the majestic mountain scenery but also immerse themselves in the spiritual cultural space of the residents of this place such as: Ky Cung Temple Festival, Ta Phu Temple Festival, Festival Dong Dang, Thanh Pagoda, Tam Thanh Pagoda, Tien Pagoda...