diff --git a/web/world/js/world.js b/web/world/js/world.js
index 6abb07f..9eca335 100644
--- a/web/world/js/world.js
+++ b/web/world/js/world.js
@@ -343,7 +343,11 @@ export function createWorld(scene, opts = {}) {
     sunDir: SUN_DIR.clone(),
     solids,
     root,
+    // Lane C's skyfx MODULATES these as the storm builds and hands them back
+    // untouched on dispose() — it doesn't own them. That's why the yard exposes
+    // its lights rather than keeping them private.
     sun,
+    hemi,
 
     /** @param {string} id */
     anchor(id) {