diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..3405c89
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "rc3-world"]
+	path = world-maps
+	url = https://git.cccv.de/rc3/world-maps.git
+	branch = master
diff --git a/world-maps b/world-maps
new file mode 160000
index 0000000..53e3310
--- /dev/null
+++ b/world-maps
@@ -0,0 +1 @@
+Subproject commit 53e3310d472a4340a86c8080a4ddf53153e60b74