Most areas of Viet Nam is high mountain separated the Red River Plains and the Southern Plains of the Mekong River, as it also has a long narrow coastal stretch South from the North.
In Vietnam, most of the high mountains. Sandwiched between the Red River basin And south of the Mekong River basin also has a narrow coastline. The length from north to south
The area of Vietnam is mostly a tall mountain. Between the plain red river). And the southern coastal plains river is also narrow, long from north to south.