Vietnam is a long, narrow country in Southeast Asia. It borders 3 countries: China, to the north, Laos and Cambodia, to the west. Vietnam is mountainous with rain forests to the river valleys. To the north, the Red River branches into a wide delta. To the south, is the Mekong River. The wildlife in Vietnam is plentiful with many species of birds, tigers, wild boards, Asian elephants and Javan rhinoceros. Vietnam has a population of about 89 million people. Most people live in the countryside and farm land. The cities are very crowded. Kids begin school at 6 years of age and continue for 5 years. It is an optional to move on to 4 years of middle school and tests must be passed to go on to high school and college. Most families can't afford to send their children to school after elementary. Factory workers make clothing, shoes, cement and fertilizers. Many people live off the land - rice, cotton, tea, sugarcane, peanuts, cattle, water buffalo, pigs, chicken. Fish farms supply fish and shrimp to markets and restaurants. Coffee is a growing crop in Vietnam and sells it's majority to the U.S. Popular games in Vietnam are soccer, badminton, ping pong and volleyball. Many kids also study martial arts. Folks who live near the coast enjoy swimming and surfing. Vietnamese food staples are noodles, rice, fresh vegetables, seafood and meat. The most important holiday in Vietnam is Tet Nguyen Dan or just Tet which is the Vietmese New Year. The Vietnamese do not celebrate their own birthday, but it's everyone's birthday on Tet! In 1975, Vietnam adopted the communism form of government. By the 1980's, Doi Moi, "change", was instituted as a new system of government which improved the coutry's economy and world relations.