diff --git a/resources/images/buildings/city1.png b/resources/images/buildings/Extra/city1.png
similarity index 100%
rename from resources/images/buildings/city1.png
rename to resources/images/buildings/Extra/city1.png
diff --git a/resources/images/buildings/city2.png b/resources/images/buildings/Extra/city2.png
similarity index 100%
rename from resources/images/buildings/city2.png
rename to resources/images/buildings/Extra/city2.png
diff --git a/resources/images/buildings/city3.png b/resources/images/buildings/Extra/city3.png
similarity index 100%
rename from resources/images/buildings/city3.png
rename to resources/images/buildings/Extra/city3.png
diff --git a/resources/images/buildings/city4.png b/resources/images/buildings/Extra/city4.png
similarity index 100%
rename from resources/images/buildings/city4.png
rename to resources/images/buildings/Extra/city4.png
diff --git a/resources/images/buildings/city5.png b/resources/images/buildings/Extra/city5.png
similarity index 100%
rename from resources/images/buildings/city5.png
rename to resources/images/buildings/Extra/city5.png
diff --git a/resources/images/buildings/fort0.png b/resources/images/buildings/Extra/fort0.png
similarity index 100%
rename from resources/images/buildings/fort0.png
rename to resources/images/buildings/Extra/fort0.png
diff --git a/resources/images/buildings/fort1.png b/resources/images/buildings/Extra/fort1.png
similarity index 100%
rename from resources/images/buildings/fort1.png
rename to resources/images/buildings/Extra/fort1.png
diff --git a/resources/images/buildings/fort2.png b/resources/images/buildings/Extra/fort2.png
similarity index 100%
rename from resources/images/buildings/fort2.png
rename to resources/images/buildings/Extra/fort2.png
diff --git a/resources/images/buildings/fort3.png b/resources/images/buildings/Extra/fort3.png
similarity index 100%
rename from resources/images/buildings/fort3.png
rename to resources/images/buildings/Extra/fort3.png
diff --git a/resources/images/buildings/fort4.png b/resources/images/buildings/Extra/fort4.png
similarity index 100%
rename from resources/images/buildings/fort4.png
rename to resources/images/buildings/Extra/fort4.png
diff --git a/resources/images/buildings/fort5.png b/resources/images/buildings/Extra/fort5.png
similarity index 100%
rename from resources/images/buildings/fort5.png
rename to resources/images/buildings/Extra/fort5.png
diff --git a/resources/images/buildings/fort6.png b/resources/images/buildings/Extra/fort6.png
similarity index 100%
rename from resources/images/buildings/fort6.png
rename to resources/images/buildings/Extra/fort6.png
diff --git a/resources/images/buildings/fortAlt1.png b/resources/images/buildings/Extra/fortAlt1.png
similarity index 100%
rename from resources/images/buildings/fortAlt1.png
rename to resources/images/buildings/Extra/fortAlt1.png
diff --git a/resources/images/buildings/port2.png b/resources/images/buildings/Extra/port2.png
similarity index 100%
rename from resources/images/buildings/port2.png
rename to resources/images/buildings/Extra/port2.png
diff --git a/resources/images/buildings/port3.png b/resources/images/buildings/Extra/port3.png
similarity index 100%
rename from resources/images/buildings/port3.png
rename to resources/images/buildings/Extra/port3.png
diff --git a/resources/images/buildings/port4.png b/resources/images/buildings/Extra/port4.png
similarity index 100%
rename from resources/images/buildings/port4.png
rename to resources/images/buildings/Extra/port4.png
diff --git a/resources/images/buildings/port5.png b/resources/images/buildings/Extra/port5.png
similarity index 100%
rename from resources/images/buildings/port5.png
rename to resources/images/buildings/Extra/port5.png
diff --git a/resources/images/buildings/Extra/portAlt1.png b/resources/images/buildings/Extra/portAlt1.png
new file mode 100644
index 000000000..e8e2bf1b2
Binary files /dev/null and b/resources/images/buildings/Extra/portAlt1.png differ
diff --git a/resources/images/buildings/silo2.png b/resources/images/buildings/Extra/silo2.png
similarity index 100%
rename from resources/images/buildings/silo2.png
rename to resources/images/buildings/Extra/silo2.png
diff --git a/resources/images/buildings/silo3.png b/resources/images/buildings/Extra/silo3.png
similarity index 100%
rename from resources/images/buildings/silo3.png
rename to resources/images/buildings/Extra/silo3.png
diff --git a/resources/images/buildings/silo4.png b/resources/images/buildings/Extra/silo4.png
similarity index 100%
rename from resources/images/buildings/silo4.png
rename to resources/images/buildings/Extra/silo4.png
diff --git a/resources/images/buildings/silo5.png b/resources/images/buildings/Extra/silo5.png
similarity index 100%
rename from resources/images/buildings/silo5.png
rename to resources/images/buildings/Extra/silo5.png
diff --git a/resources/images/buildings/silo6.png b/resources/images/buildings/Extra/silo6.png
similarity index 100%
rename from resources/images/buildings/silo6.png
rename to resources/images/buildings/Extra/silo6.png
diff --git a/resources/images/buildings/siloA45.png b/resources/images/buildings/Extra/siloA45.png
similarity index 100%
rename from resources/images/buildings/siloA45.png
rename to resources/images/buildings/Extra/siloA45.png
diff --git a/resources/images/buildings/cityAlt1.png b/resources/images/buildings/cityAlt1.png
new file mode 100644
index 000000000..c12b3bf94
Binary files /dev/null and b/resources/images/buildings/cityAlt1.png differ
diff --git a/resources/images/buildings/port1.png b/resources/images/buildings/port1.png
index e8e2bf1b2..2341ba5a0 100644
Binary files a/resources/images/buildings/port1.png and b/resources/images/buildings/port1.png differ
diff --git a/src/client/graphics/layers/StructureLayer.ts b/src/client/graphics/layers/StructureLayer.ts
index 1ef38b852..35206bc73 100644
--- a/src/client/graphics/layers/StructureLayer.ts
+++ b/src/client/graphics/layers/StructureLayer.ts
@@ -6,7 +6,7 @@ import { EventBus } from "../../../core/EventBus";
 import anchorIcon from "../../../../resources/images/buildings/port1.png";
 import missileSiloIcon from "../../../../resources/images/buildings/silo1.png";
 import shieldIcon from "../../../../resources/images/buildings/fortAlt2.png";
-import cityIcon from "../../../../resources/images/buildings/city1.png";
+import cityIcon from "../../../../resources/images/buildings/cityAlt1.png";
 import { GameView, UnitView } from "../../../core/game/GameView";
 import { Cell, UnitType } from "../../../core/game/Game";
 import { GameUpdateType } from "../../../core/game/GameUpdates";