Caves & ravine tweaks

dimensions/overworld.json

@@ -2,6 +2,7 @@
     "version": 2009,
     "name": "Overworld",
     "environment": "NORMAL",
+    "focus": "hot/desert-dunes-red",
     "fluidHeight": 63,
     "continentZoom": 1,
     "continentalStyle": {
@@ -80,11 +81,17 @@
         "global-clutter"
     ]},
     "carving": {
+        "ravines": [
+            {
+                "rarity": 221,
+                "ravine": "main"
+            }
+        ],
         "caves": [
             {
                 "breakSurface": true,
                 "cave": "base",
-                "rarity": 9,
+                "rarity": 7,
                 "caveStartHeight": {
                     "max": 120,
                     "min": 69,