diff --git a/voxygen/shaders/terrain.frag b/voxygen/shaders/terrain.frag
index b45d545ae4..2c56dbf007 100644
--- a/voxygen/shaders/terrain.frag
+++ b/voxygen/shaders/terrain.frag
@@ -28,9 +28,9 @@ void main() {
 		f_norm = vec3(0.0, 0.0, 1.0) * norm_dir;
 	}
 
-	float glob_ambience = 0.001;
+	float glob_ambience = 0.0005;
 
-	float sun_ambience = 0.9;
+	float sun_ambience = 0.8;
 
 	vec3 sun_dir = normalize(vec3(1.3, 1.7, 2.1));
 
diff --git a/voxygen/src/mesh/vol.rs b/voxygen/src/mesh/vol.rs
index e07456c896..7223a46af7 100644
--- a/voxygen/src/mesh/vol.rs
+++ b/voxygen/src/mesh/vol.rs
@@ -53,7 +53,7 @@ fn create_quad<P: Pipeline, F: Fn(Vec3<f32>, Vec3<f32>, Rgb<f32>) -> P::Vertex>(
     let ao_scale = 0.95;
     let dark = col * (1.0 - ao_scale);
 
-    let ao_map = ao.map(|e| e.powf(1.5));
+    let ao_map = ao.map(|e| 0.15 + e.powf(2.0) * 0.85);
 
     if ao[0].min(ao[2]) < ao[1].min(ao[3]) {
         Quad::new(
diff --git a/world/src/block/mod.rs b/world/src/block/mod.rs
index 0d8f6014d4..429c221d17 100644
--- a/world/src/block/mod.rs
+++ b/world/src/block/mod.rs
@@ -107,7 +107,7 @@ impl<'a> Sampler for BlockGen<'a> {
         let water = Block::new(1, Rgb::new(100, 150, 255));
         let warm_stone = Block::new(1, Rgb::new(165, 165, 130));
 
-        let block = if (wposf.z as f32) < height - 2.0 {
+        let block = if (wposf.z as f32) < height - 3.0 {
             // Underground
             if (wposf.z as f32) > alt {
                 Some(surface_stone)
diff --git a/world/src/config.rs b/world/src/config.rs
index 1d7238db35..3e5d801e42 100644
--- a/world/src/config.rs
+++ b/world/src/config.rs
@@ -4,6 +4,6 @@ pub struct Config {
 }
 
 pub const CONFIG: Config = Config {
-    sea_level: 128.0,
+    sea_level: 140.0,
     mountain_scale: 1200.0,
 };
diff --git a/world/src/sim/location.rs b/world/src/sim/location.rs
new file mode 100644
index 0000000000..fb02b051d4
--- /dev/null
+++ b/world/src/sim/location.rs
@@ -0,0 +1 @@
+pub struct Location;
diff --git a/world/src/sim/mod.rs b/world/src/sim/mod.rs
index 38bd431fa2..19c999a2bf 100644
--- a/world/src/sim/mod.rs
+++ b/world/src/sim/mod.rs
@@ -1,4 +1,9 @@
-use std::ops::{Add, Div, Mul, Neg, Sub};
+mod location;
+
+use std::{
+    ops::{Add, Div, Mul, Neg, Sub},
+    sync::Arc,
+};
 use vek::*;
 use noise::{
     BasicMulti, RidgedMulti, SuperSimplex, HybridMulti,
@@ -12,6 +17,7 @@ use crate::{
     CONFIG,
     util::StructureGen2d,
 };
+use self::location::Location;
 
 pub const WORLD_SIZE: Vec2<usize> = Vec2 { x: 1024, y: 1024 };
 
@@ -73,11 +79,19 @@ impl WorldSim {
             }
         }
 
-        Self {
+        let mut this = Self {
             seed,
             chunks,
             gen_ctx,
-        }
+        };
+
+        this.simulate(100);
+
+        this
+    }
+
+    pub fn simulate(&mut self, cycles: usize) {
+        // TODO
     }
 
     pub fn get(&self, chunk_pos: Vec2<u32>) -> Option<&SimChunk> {
@@ -152,6 +166,7 @@ pub struct SimChunk {
     pub rockiness: f32,
     pub cliffiness: f32,
     pub tree_density: f32,
+    pub location: Option<Arc<Location>>,
 }
 
 impl SimChunk {
@@ -222,6 +237,7 @@ impl SimChunk {
                 .mul(1.0 - chaos * 0.85)
                 .add(0.1)
                 .mul(if alt > CONFIG.sea_level + 2.0 { 1.0 } else { 0.0 }),
+            location: None,
         }
     }