diff --git a/mapgen.lua b/mapgen.lua
index 0683bcd..0bb13bc 100644
--- a/mapgen.lua
+++ b/mapgen.lua
@@ -72,6 +72,7 @@ do
 		biome_names[rarity][#biome_names[rarity]+1] = biome.name
 	end
 end
+biomes["control"] = {}
 
 local cave_stones = {
 	"loud_walking:stone_with_moss",
@@ -175,6 +176,7 @@ end
 local function get_height(dx, dz, terrain_scale, ocean, index)
 	local terr
 	local half = math.floor(csize.y / 2 + 0.5)
+	terrain_scale = terrain_scale or 1
 
 	--if index == true then
 	--	terr = minetest.get_perlin(terrain_noise):get2d({x=dx, y=dz})
@@ -203,14 +205,17 @@ local function get_height(dx, dz, terrain_scale, ocean, index)
 end
 
 local function get_biome(px, pz)
-	local sr = math.random(5)
-	local rarity = "common"
-	if sr > 4 then
-		rarity = "uncommon"
+	if px % 10 == 6 and pz % 10 == 6 then
+		return "control"
+	else
+		local sr = math.random(5)
+		local rarity = "common"
+		if sr > 4 then
+			rarity = "uncommon"
+		end
+		local biome = biome_names[rarity][math.random(#biome_names[rarity])]
+		return biome
 	end
-	local biome = biome_names[rarity][math.random(#biome_names[rarity])]
-	return biome
-	--return "savanna"
 end
 
 local function get_decoration(biome)
@@ -234,8 +239,6 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 	minp, maxp = p_minp, p_maxp
 	vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
 	vm:get_data(data)
-	vm:set_lighting({day = 15, night = 0}, minp, maxp)
-	lightmap = vm:get_light_data()
 	--p2data = vm:get_param2_data()
 	a = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
 	csize = vector.add(vector.subtract(maxp, minp), 1)
@@ -262,6 +265,10 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 		cave_lining = nil
 	end
 
+	print(biome)
+	vm:set_lighting({day = 15, night = (biome == "control" and 15 or 0)}, minp, maxp)
+	lightmap = vm:get_light_data()
+
 	local node_top = biomes[biome].node_top or "default:dirt_with_grass"
 	local node_filler = biomes[biome].node_filler or "default:dirt"
 	local node_water_top = biomes[biome].node_water_top or "default:water_source"
@@ -311,7 +318,9 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 			for y = minp.y, maxp.y do
 				local dy = y - minp.y
 				if pod then
-					if math.min(dx, csize.x - dx) + math.min(dy, csize.y - dy) + math.min(dz, csize.z - dz) < bevel then
+					if biome == "control" and math.abs(dx - half) < 3 and math.abs(dz - half) < 3 then
+						data[ivm] = node("loud_walking:air_ladder")
+					elseif math.min(dx, csize.x - dx) + math.min(dy, csize.y - dy) + math.min(dz, csize.z - dz) < bevel then
 						data[ivm] = node("air")
 						lightmap[ivm] = 0
 						in_cave = false
@@ -319,7 +328,9 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 						if math.abs(dy - half - 2) < 2 and (dz == half or dx == half) then
 							data[ivm] = node("air")
 						else
-							if biome ~= "underground" and dy < half then
+							if biome == "control" then
+								data[ivm] = node(glass[3])
+							elseif biome ~= "underground" and dy < half then
 								data[ivm] = node("loud_walking:scrith")
 								lightmap[ivm] = 0
 							elseif dy == csize.y - 1 then
@@ -329,6 +340,14 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 							end
 						end
 						in_cave = false
+					elseif biome == "control" and dy % 5 == 0 then
+						data[ivm] = node("default:steelblock")
+					elseif biome == "control" and (math.abs(dx - half) < 3 or math.abs(dz - half) < 3) then
+						data[ivm] = node("air")
+					elseif biome == "control" and ((math.abs(dx - half) % 20 == 3 and (math.abs(dz - half) - 12) % 20 > 3) or (math.abs(dz - half) % 20 == 3 and (math.abs(dx - half) - 12) % 20 > 3)) then
+						data[ivm] = node("default:steelblock")
+					elseif biome == "control" then
+						--
 					elseif (((dx == 35 or dx == 45) and dz >= 35 and dz <= 45) or ((dz == 35 or dz == 45) and dx >= 35 and dx <= 45)) and dx ~= 40 and dz ~= 40 and dy == csize.y - 2 then
 						data[ivm] = node("loud_walking:controls")
 					elseif (((dx == 35 or dx == 45) and dz >= 35 and dz <= 45) or ((dz == 35 or dz == 45) and dx >= 35 and dx <= 45)) and dx ~= 40 and dz ~= 40 and dy > csize.y - 5 then
@@ -410,6 +429,8 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 						lightmap[ivm] = 0
 						in_cave = false
 					end
+				elseif biome == "control" and math.abs(dx - half) < 3 and math.abs(dz - half) < 3 then
+					data[ivm] = node("loud_walking:air_ladder")
 				elseif connection and dy == half and ((dx == half and connection % 4 == 0) or (dz == half and connection % 2 == 1)) then
 					data[ivm] = node("loud_walking:scrith")
 					lightmap[ivm] = 0
@@ -425,7 +446,6 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 	end
 
 	if pod then
-		print(biome)
 		for dz = 0, 75, 5 do
 			for dx = 0, 75, 5 do
 				if biomes[biome].special_tree_prob and math.random(biomes[biome].special_tree_prob) == 1 then
diff --git a/nodes.lua b/nodes.lua
index 9f837c0..a84f6ee 100644
--- a/nodes.lua
+++ b/nodes.lua
@@ -173,3 +173,21 @@ end
 register_flower("orchid", "Orchid", {"rainforest", "rainforest_swamp"}, 0.025)
 register_flower("bird_of_paradise", "Bird of Paradise", {"rainforest", "desertstone_grassland"}, 0.025)
 register_flower("gerbera", "Gerbera", {"savanna", "rainforest", "desertstone_grassland"}, 0.005)
+
+
+minetest.register_node("loud_walking:air_ladder", {
+	description = "Air Ladder",
+	drawtype = "glasslike",
+	tiles = {"loud_walking_air_ladder.png"},
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	use_texture_alpha = true,
+	climbable = true,
+	is_ground_content = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {0, 0, 0, 0, 0, 0},
+	},
+})
+
diff --git a/textures/loud_walking_air_ladder.png b/textures/loud_walking_air_ladder.png
new file mode 100644
index 0000000..dbd2477
Binary files /dev/null and b/textures/loud_walking_air_ladder.png differ