Index: trunk/styles/standard/elemstyles.mapcss
===================================================================
--- trunk/styles/standard/elemstyles.mapcss	(revision 7558)
+++ trunk/styles/standard/elemstyles.mapcss	(revision 7564)
@@ -2715,4 +2715,12 @@
 /****************/
 
+area[landuse],
+area[leisure],
+area[amenity],
+area[place],
+area[natural],
+area[man_made] {
+    z-index: -2; /* put areas that can have other areas inside (e.g. building) a little lower, see #9606 */
+}
 area[landuse=farm],
 area[landuse=farmland],