diff --git a/src/build.rs b/src/build.rs
index 151cd61..420edd1 100644
--- a/src/build.rs
+++ b/src/build.rs
@@ -3,7 +3,7 @@ use std::{fs, path::Path, time};
 use serde_json::json;
 
 use crate::{
-    types::{CountryData, ToCollection},
+    types::{CountryData, ToCollection, ToFeatures},
     utils::{
         diff_countries, get_country, is_match, read_config, rewrite_if_some, rewrite_if_some_option,
     },
@@ -82,8 +82,6 @@ pub fn build() {
             countries
         };
 
-        // TODO: Add nature support
-
         {
             let generated_time = time::Instant::now();
             let countries_json = serde_json::to_string_pretty(&serde_json::Map::from_iter(
diff --git a/src/templates/config.toml b/src/templates/config.toml
index 07f3f39..227ea66 100644
--- a/src/templates/config.toml
+++ b/src/templates/config.toml
@@ -30,16 +30,3 @@ output_folder = "./out/map"
 # foundation_date = "2024-01-01"
 # flag = "https://example.com/flag.png"
 # about = "https://example.com/about.html"
-
-# Additional nature layers
-[[nature]]
-id = "water"
-color = "#75cff0"
-
-[[nature]]
-id = "sand"
-color = "#efe9e1"
-
-[[nature]]
-id = "grass"
-color = "#d1e6be"
diff --git a/src/types.rs b/src/types.rs
index 43e9314..2be0530 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -242,16 +242,19 @@ impl ToFeatures for CountryData {
 impl ToCollection for Vec<CountryData> {
     fn to_collection(self) -> geojson::FeatureCollection {
         geojson::FeatureCollection {
-            features: self
-                .iter()
-                .flat_map(|c| c.to_features())
-                .collect::<Vec<geojson::Feature>>(),
+            features: self.to_features(),
             bbox: None,
             foreign_members: None,
         }
     }
 }
 
+impl ToFeatures for Vec<CountryData> {
+    fn to_features(&self) -> Vec<geojson::Feature> {
+        self.iter().flat_map(|c| c.to_features()).collect()
+    }
+}
+
 impl ToCollection for Vec<geojson::Feature> {
     fn to_collection(self) -> geojson::FeatureCollection {
         geojson::FeatureCollection {