diff --git a/doc/grid.png b/doc/grid.png
index 18c26ed..6a6b81e 100644
Binary files a/doc/grid.png and b/doc/grid.png differ
diff --git a/scheme/default.yml b/scheme/default.yml
index 807a115..a4032df 100644
--- a/scheme/default.yml
+++ b/scheme/default.yml
@@ -620,6 +620,8 @@ node_icons:
     - tags: {power: pole, design: delta}
       shapes: [power_pole_delta]
 
+    - tags: {man_made: tower, tower:type: cooling}
+      shapes: [tower_cooling]
     - tags: {man_made: tower, tower:type: defensive}
       shapes: [tower_defensive]
     - tags: {man_made: mast, tower:type: lighting, tower:construction: guyed_tube}