With the total area of approximately 331,688 km2, the territory of Vietnam consists of hills and densely forested mountains, and mostly covering in Vietnam Mountain is 40% of the area. There are a lot of sea, beaches, and hills stretching from the north to the south. In particular, in term of geography Vietnam has Phan Xi Pang which is the highest mountain in Vietnam. And the weather in Vietnam is various from place to place, from the North to the South. In general, the climate is different from the north, the middle and the south of Vietnam. In the northern of Vietnam, there are four seasons: spring, summer, autumn, and winter, however, in the southern of Vietnam, there are two seasons including dry season and rainy one. Generally, the average annual temperature in the south is higher than that in the north of Vietnam.