diff --git a/js/map.js b/js/map.js
index 9e26f54..8322357 100644
--- a/js/map.js
+++ b/js/map.js
@@ -152,6 +152,21 @@ export async function init_places(places_db){
             }
         },
         onEachFeature: function(feature, layer){
+            let href
+
+            if(feature.id){
+                href = `#${encodeURIComponent(feature.id)}`
+            } else if(feature.parentFeature?.id){
+                href = `#${encodeURIComponent(feature.parentFeature.id)}`
+            }
+
+            layer.on("click", e => {
+                if(location.hash != href){
+                    location.hash = href
+                }
+                console.log("clicked layer", feature)
+            })
+            
             feature[HIGHLIGHT_LAYER] = layer
         }
     }).addTo(map)