void Start()
    {
        createTerrain("hallo");
        createTerrain("du");
        createTerrain("er");
        createTerrain("sie");
        createTerrain("es");
    }

    private void createTerrain(String name)
    {
        GameObject terrainGO = new GameObject(name);
        Terrain terrain = (Terrain)terrainGO.AddComponent(typeof(Terrain));
        TerrainData terrainData = new TerrainData();
        terrainData.name = name;

        terrain.terrainData = terrainData;
        terrain.terrainData.size = terrainSize;
        terrain.terrainData.heightmapResolution = heighMapResolution;
    }