Opposite of 1006300 created as 1006301.

src/engine/objects/Zone.java

@@ -110,8 +110,7 @@ public class Zone extends AbstractGameObject {
                 this.terrain_max_y = 5;
                 this.major_radius = (int) Enum.CityBoundsType.ZONE.halfExtents;
                 this.minor_radius = (int) Enum.CityBoundsType.ZONE.halfExtents;
-                this.terrain_type = "TARGA";
-                this.terrain_image = 1006301;
+                this.terrain_type = "PLANAR";
             }
 
             if (this.terrain_type.equals("NONE"))