terrain: set height exaggeration to 8

config.js

@@ -233,7 +233,7 @@ window.CONFIG = {
     // height field the terrain shadows are cast against.
     terrain: {
         enabled: true,            // false = flat plane (no DEM, no terrain shadows)
-        exaggeration: 4,          // vertical scale (1 = real, nearly invisible here)
+        exaggeration: 8,          // vertical scale (1 = real, nearly invisible here)
         edgeFadeTiles: 4,         // soft rim at the mosaic border, in tiles (~13 km)
         edgeSkirtKm: 800,         // coarse outer terrain pulled past the horizon
         edgeSkirtRings: 24,       // coarse rings in the outer skirt