The North and North Central regions have a humid subtropical climate with 4 seasons: Spring, Summer, Autumn, and Winter. The Central and South Central regions have a tropical monsoon climate, the extreme South Central and Southern regions have tropical savanna characteristics. At the same time, it is directly influenced by the trade monsoon climate, which often blows in low latitudes. The South often has a tropical savanna climate, hot and humid with two seasons: dry season and rainy season (from April-May to October-November). Every year, the cold and humid winter typical of the North contrasts with the warm atmosphere of Tet and spring in the South.
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 is a country with 54 different ethnic groups, each of which has its own unique and impressive culture and identity. It is this difference in ethnic composition that has contributed to creating a very diverse, rich and unique beauty for Vietnam's culture that no other country can replace. Customs in Vietnam have a long tradition spanning thousands of years, it has become customary law, deep and firmly embedded in the hearts of every Vietnamese person.
Vietnam's history began from 1 to 2 thousand years BC. Over many centuries with the Ly, Tran, Le, and Nguyen dynasties, from the mid-19th century, Vietnam became a French colony. After the August Revolution, the Democratic Republic of Vietnam was born. The Battle of Dien Bien Phu in 1954 marked the end of the French in the territory, but Vietnam was divided into two countries: the Democratic Republic of Vietnam in the North and the Republic of Vietnam in the South. After the events of April 30, 1975, Vietnam was unified and from July 2, 1976, officially named the Socialist Republic of Vietnam.