diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a5cc2f..53fb9b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## [Jul 7th - **STILL UNDER DEVELOPMENT** 2024] Major Update: World and Building Update
+## [Jul 7th - Jul 8th 2024] Major Update: World and Building Update
 
 This update aims to update the world generation and add new building blocks!
 
@@ -15,17 +15,24 @@ This update aims to update the world generation and add new building blocks!
     - Added savanna logs
 - Updated leaves texture
 - Added snowy leaves
+- Added cherry leaves
 - Revamped trees
 - Removed snowy camp structure
 - Removed oillands biome
 - Added new tree types
     - Added giant tree
     - Added snowy tree
+    - Added birch trees
+    - Added giant birch trees
+    - Added cherry trees
 - Added various biomes
     - Grassy Hills
     - Old Growth Forest
     - Snowy Forest
     - Savannas
+    - Taigas
+    - Birch Forest
+    - Cherry Grove
 - Added ocean biomes
     - "Normal" Ocean
 - Added beaches and snowy beaches
diff --git a/mods/pyutest_core/blocks.lua b/mods/pyutest_core/blocks.lua
index 552e3cc..6797c92 100644
--- a/mods/pyutest_core/blocks.lua
+++ b/mods/pyutest_core/blocks.lua
@@ -210,6 +210,30 @@ PyuTestCore.make_building_blocks("pyutest_core:savanna_wooden_log", "Savanna Woo
   is_ground_content = false,
 })
 
+PyuTestCore.make_building_blocks("pyutest_core:birch_wooden_log", "Birch Wooden Log", {
+  "birch-log-top-bottom.png",
+  "birch-log-top-bottom.png",
+  "birch-log.png"
+}, nil, {
+  block = PyuTestCore.BLOCK_BREAKABLE_CHOPPY,
+  acid_vulnerable = 1,
+  wooden_log = 1
+}, {
+  is_ground_content = false,
+})
+
+PyuTestCore.make_building_blocks("pyutest_core:cherry_wooden_log", "Cherry Wooden Log", {
+  "cherry-log-top-bottom.png",
+  "cherry-log-top-bottom.png",
+  "cherry-log.png"
+}, nil, {
+  block = PyuTestCore.BLOCK_BREAKABLE_CHOPPY,
+  acid_vulnerable = 1,
+  wooden_log = 1
+}, {
+  is_ground_content = false,
+})
+
 PyuTestCore.make_building_blocks("pyutest_core:wooden", "Wooden", {"wood.png"}, nil, {
   block = PyuTestCore.BLOCK_BREAKABLE_CHOPPY,
   acid_vulnerable = 1
@@ -247,6 +271,11 @@ PyuTestCore.make_building_blocks("pyutest_core:snowy_leaves", "Snowy Leaves", {"
   acid_vulnerable = 1
 })
 
+PyuTestCore.make_building_blocks("pyutest_core:cherry_leaves", "Cherry Leaves", {"cherry-leaves.png"}, nil, {}, {
+  is_ground_content = false,
+  acid_vulnerable = 1
+})
+
 PyuTestCore.make_building_blocks("pyutest_core:mushroom", "Mushroom", {"mushroom.png"}, nil, {}, {is_ground_content = false})
 PyuTestCore.make_building_blocks("pyutest_core:mushroom_stem", "Mushroom Stem", {"mushroom-stem.png"}, nil, {}, {is_ground_content = false})
 PyuTestCore.make_building_blocks("pyutest_core:mycelium", "Mycelium", {"mycelium.png"}, nil, {ground = 1})
@@ -628,7 +657,7 @@ end
 PyuTestCore.make_liquid("pyutest_core:water", "Water", {
   water = 1
 }, "water.png", 1, {
-  -- sunlight_propagates = true
+  sunlight_propagates = true
 })
 
 PyuTestCore.make_liquid("pyutest_core:lava", "Lava", {
diff --git a/mods/pyutest_core/mapgen.lua b/mods/pyutest_core/mapgen.lua
index cac7549..129a847 100644
--- a/mods/pyutest_core/mapgen.lua
+++ b/mods/pyutest_core/mapgen.lua
@@ -13,7 +13,7 @@ PyuTestCore_DeepOceanMax = PyuTestCore_OceanMin - 1
 PyuTestCore_DeepOceanMin = -31
 
 
-PyuTestCore_SurfaceBottom = 4
+PyuTestCore_SurfaceBottom = 2
 PyuTestCore_WorldBottom = -31000
 
 PyuTestCore_BiomeTops = {
@@ -69,8 +69,8 @@ PyuTestCore.register_ocean = function(name, heat_point, top_node, water_node, gr
     depth_water_top = 5,
     y_max = PyuTestCore_DeepOceanMax,
     y_min = PyuTestCore_DeepOceanMin,
-    heat_point = heat_point or 20,
-    humidity_point = 120
+    heat_point = heat_point or 30,
+    humidity_point = 100
   })
 end
 
@@ -81,14 +81,14 @@ PyuTestCore.register_biome({
   node_filler = nil,
 
   y_max = PyuTestCore_SurfaceBottom,
-  y_min = PyuTestCore_SurfaceBottom - 3,
+  y_min = PyuTestCore_SurfaceBottom - 1,
 
   heat_point = 40,
   humidity_point = 40
 })
 
 PyuTestCore.register_biome({
-  name = "frozen_beach",
+  name = "snowy_beach",
 
   node_dust = "pyutest_core:snow_carpet",
 
@@ -309,6 +309,45 @@ PyuTestCore.register_biome({
   humidity_point = 38
 })
 
+PyuTestCore.register_biome({
+  name = "taiga",
+
+  node_top = "pyutest_core:dark_grass_block",
+  node_filler = "pyutest_core:dirt_block",
+
+  y_max = PyuTestCore_BiomeTops.forest,
+  y_min = PyuTestCore_SurfaceBottom,
+
+  heat_point = 28,
+  humidity_point = 53
+})
+
+PyuTestCore.register_biome({
+  name = "birch_forest",
+
+  node_top = "pyutest_core:grass_block",
+  node_filler = "pyutest_core:dirt_block",
+
+  y_max = PyuTestCore_BiomeTops.forest,
+  y_min = PyuTestCore_SurfaceBottom,
+
+  heat_point = 38,
+  humidity_point = 63
+})
+
+PyuTestCore.register_biome({
+  name = "cherry_grove",
+
+  node_top = "pyutest_core:grass_block",
+  node_filler = "pyutest_core:dirt_block",
+
+  y_max = PyuTestCore_BiomeTops.forest,
+  y_min = PyuTestCore_SurfaceBottom,
+
+  heat_point = 36,
+  humidity_point = 64
+})
+
 PyuTestCore.register_ocean("normal")
 
 PyuTestCore.BIOMES = {}
diff --git a/mods/pyutest_core/schematics/tree6.mts b/mods/pyutest_core/schematics/tree6.mts
new file mode 100644
index 0000000..09260b2
Binary files /dev/null and b/mods/pyutest_core/schematics/tree6.mts differ
diff --git a/mods/pyutest_core/schematics/tree7.mts b/mods/pyutest_core/schematics/tree7.mts
new file mode 100644
index 0000000..4ab7370
Binary files /dev/null and b/mods/pyutest_core/schematics/tree7.mts differ
diff --git a/mods/pyutest_core/schematics/tree8.mts b/mods/pyutest_core/schematics/tree8.mts
new file mode 100644
index 0000000..c9c2770
Binary files /dev/null and b/mods/pyutest_core/schematics/tree8.mts differ
diff --git a/mods/pyutest_core/textures/birch-log-top-bottom.png b/mods/pyutest_core/textures/birch-log-top-bottom.png
new file mode 100644
index 0000000..af377b0
Binary files /dev/null and b/mods/pyutest_core/textures/birch-log-top-bottom.png differ
diff --git a/mods/pyutest_core/textures/birch-log.png b/mods/pyutest_core/textures/birch-log.png
new file mode 100644
index 0000000..2b19bbf
Binary files /dev/null and b/mods/pyutest_core/textures/birch-log.png differ
diff --git a/mods/pyutest_core/textures/cherry-leaves.png b/mods/pyutest_core/textures/cherry-leaves.png
new file mode 100644
index 0000000..243b202
Binary files /dev/null and b/mods/pyutest_core/textures/cherry-leaves.png differ
diff --git a/mods/pyutest_core/textures/cherry-log-top-bottom.png b/mods/pyutest_core/textures/cherry-log-top-bottom.png
new file mode 100644
index 0000000..e48963c
Binary files /dev/null and b/mods/pyutest_core/textures/cherry-log-top-bottom.png differ
diff --git a/mods/pyutest_core/textures/cherry-log.png b/mods/pyutest_core/textures/cherry-log.png
new file mode 100644
index 0000000..4eba659
Binary files /dev/null and b/mods/pyutest_core/textures/cherry-log.png differ
diff --git a/mods/pyutest_core/trees.lua b/mods/pyutest_core/trees.lua
index fe0c388..ebd54b0 100644
--- a/mods/pyutest_core/trees.lua
+++ b/mods/pyutest_core/trees.lua
@@ -150,6 +150,62 @@ minetest.register_decoration({
   place_offset_y = 1
 })
 
+minetest.register_decoration({
+  deco_type = "schematic",
+  place_on = {"pyutest_core:dark_grass_block", "pyutest_core:snow_block"},
+  sidelen = 16,
+  fill_ratio = 0.005,
+  biomes = {"taiga", "snowy_forest"},
+  y_max = PyuTestCore_BiomeTops.forest,
+  y_min = 1,
+  schematic = PyuTestCore.get_schem_path("tree5"),
+  rotation = "random",
+  flags = "place_center_x, place_center_z",
+  place_offset_y = 1
+})
+
+minetest.register_decoration({
+  deco_type = "schematic",
+  place_on = {"pyutest_core:grass_block"},
+  sidelen = 16,
+  fill_ratio = 0.005,
+  biomes = {"birch_forest"},
+  y_max = PyuTestCore_BiomeTops.forest,
+  y_min = 1,
+  schematic = PyuTestCore.get_schem_path("tree6"),
+  rotation = "random",
+  flags = "place_center_x, place_center_z",
+  place_offset_y = 1
+})
+
+minetest.register_decoration({
+  deco_type = "schematic",
+  place_on = {"pyutest_core:grass_block"},
+  sidelen = 16,
+  fill_ratio = 0.005,
+  biomes = {"birch_forest"},
+  y_max = PyuTestCore_BiomeTops.forest,
+  y_min = 1,
+  schematic = PyuTestCore.get_schem_path("tree7"),
+  rotation = "random",
+  flags = "place_center_x, place_center_z",
+  place_offset_y = 1
+})
+
+minetest.register_decoration({
+  deco_type = "schematic",
+  place_on = {"pyutest_core:grass_block"},
+  sidelen = 16,
+  fill_ratio = 0.005,
+  biomes = {"cherry_grove"},
+  y_max = PyuTestCore_BiomeTops.forest,
+  y_min = 1,
+  schematic = PyuTestCore.get_schem_path("tree8"),
+  rotation = "random",
+  flags = "place_center_x, place_center_z",
+  place_offset_y = 1
+})
+
 minetest.register_decoration({
   deco_type = "schematic",
   place_on = {"pyutest_core:snow_block"},