diff --git a/src/ign_world/world/world.sdf b/src/ign_world/world/world.sdf
index bc8854d..53b45cc 100644
--- a/src/ign_world/world/world.sdf
+++ b/src/ign_world/world/world.sdf
@@ -9,20 +9,27 @@
-
+
true
- 0 0 10 0 0 0
- 0.8 0.8 0.8 1
- 0.2 0.2 0.2 1
-
- 1000
- 0.9
- 0.01
- 0.001
-
- -0.1 0.1 -0.9
+ 1 1 2.5 0 0 0
+
+ true
+ 5 1 2.5 0 0 0
+
+
+
+ true
+ 1 5 2.5 0 0 0
+
+
+
+ true
+ 5 5 2.5 0 0 0
+
+
+
2