Vietnam is a country on an S-shaped strip of land, located in the center of Southeast Asia, in the east of the Indochina peninsula, to the north by China, to the west by Laos and Cambodia, and to the southeast overlooking the sea. East and Pacific. Vietnam's coastline is 3,260 km long, and its land border is 4,510 km long. On land, from the northernmost point to the southernmost point (as the crow flies) is 1,650km long, from the easternmost point to the westernmost point the widest place is 600km (Northern region), 400km (Southern region), the narrowest place is 50km (Quang Binh).

Vietnam's terrain has about 40% mountains and forests, 40% hills and coverage of about 75% of the country's area. There are mountain ranges and plateaus such as Hoang Lien Son range, Son La plateau in the north, Bach Ma range and plateaus following the Truong Son range in the south. Network of rivers and lakes in the delta or mountainous areas of the North and Central Highlands. The delta accounts for about 1/4 of the area, including deltas such as the Red River Delta, Mekong River Delta and the Central Coastal Plains, which are densely populated areas. Cultivated land accounts for 17% of Vietnam's total land area.

Vietnam's costumes are very diverse and rich, but the ones that impress people the most are the ao dai and the four-piece dress. The outfit carries the look and soul of Vietnam and when it comes to it, people will immediately think of Vietnam and that is the traditional ao dai. Traditional ao dai consists of a long shirt split into two front and back flaps, floor-length pants, material is silk or plain fabric, diverse colors and patterns.

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...