diff --git a/scene.pov b/scene.pov
index d8924a0..398d099 100644
--- a/scene.pov
+++ b/scene.pov
@@ -6,7 +6,7 @@
 
 global_settings	{
 	assumed_gamma  1.0
-	ambient_light rgb <0.02, 0.02, 0.02>
+	ambient_light rgb <0.04, 0.07, 0.04>
 	max_trace_level 10
 	}
 
@@ -14,6 +14,9 @@ global_settings	{
 #include  "metals.inc"
 #include  "textures.inc"
 
+#declare R2 = seed(now*24*60*60);
+#declare foo = rand(R2);
+
 #declare  NormClock = clock / 360.0;
 #include  "contexte.inc"
 #include  "elements.inc"