The territory of Vietnam including .75 is hilly but mainly low hills, there are two big Delta (Red River Delta and the Mekong Delta), many rivers (2360 long river on the 10 km) and has a long coastline (3260km coast line). In that low hills below the diameter of 85% occupied an area of high mountains, on 2000 m accounted for only 1% of the land area of the territory.
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