Postal code (Zipcode) of Xã Liên Sơn is: 25722

Lien Son Wards, Chi Lang District, Lang Son Province, Viet Nam

Vietnam is located in the Indomalaya ecological region. According to the 2005 National Environmental Status Report, Vietnam is among the 25 countries with high levels of biodiversity, ranked 16th worldwide in terms of biodiversity and is home to about 16% of the world's biodiversity. species in the world. 15,986 plant species have been found throughout the country, of which 10% are endemic. Vietnam has 307 species of nematodes, 200 species of oligochaeta, 145 species of acarina, 113 species of springtails, 7,750 species of insects, 260 species of reptiles. , 120 species of amphibians, 840 species of birds and 310 species of mammals, of which 100 species of birds and 78 species of mammals are endemic. There are also 1,438 species of freshwater algae, accounting for 9.6% of the total number of algae species, as well as 794 species of aquatic invertebrates and 2,458 species of marine fish. In the late 1980s, a population of Javan Rhinos was discovered in Cat Tien National Park and it is possible that the last individual of this species in Vietnam died in 2010.

Hello friends! Greetings are always valued by Vietnamese people in communication, it seems to bring smoothness and luck to a new beginning or a new day. Vietnamese people have a saying "Greetings are higher than the feast" to show respect and politeness in communication with the other person. Greetings also show the friendliness and hospitality of Vietnamese people. So, wherever you go in Vietnam or whoever you meet, you will receive a greeting!

The cultural identity of ethnic groups is clearly expressed in community life and in economic activities from customs, costumes to culinary styles. Below are the unique features of Vietnamese culture that you can learn about.

Hang Market (Hai Phong) was formerly the market of an ancient village called Du Hang (17th-18th centuries). The Du Hang village area was formerly agricultural land and a traffic hub, so Hang market became a place to meet, exchange, and buy and sell plants, animals, and farming utensils. The urbanization process spread to the suburbs, so today Hang Market is located entirely in the inner city, in Du Hang Kenh ward, Le Chan district, Hai Phong city. Even though many years have passed, the customs of exchanging agricultural goods of c