diff --git a/urls.py b/urls.py
index 22286b6..d0d49a2 100644
--- a/urls.py
+++ b/urls.py
@@ -148,7 +148,13 @@ trogglepatterns = [
     re_path(r'^(?P<karea>\d\d\d\d)(?P<subpath>.*)$',   cavepage,  name="cavepage"), # shorthand /1623/264 or 1623/161/top.htm
     # Note that urls eg '/1623/161/l/rl89a.htm' are handled by cavepage which redirects them to 'expopage'    
     # Note that _edit$ for a cave description page in a subfolder e.g. /1623/204/204.html_edit  gets caught here and breaks with 404
+    
+    # These re-enable archaic URLs which are in old web pages which are still public on other servers
     path('smkridge/<path:subpath>',  cavepage,  {'karea': "1623/"}, name="cavepage"), 
+    path('expo/smkridge/<path:subpath>',  cavepage,  {'karea': "1623/"}, name="cavepage"), 
+
+    # Archaic, kept. This /expo/ prefix only works for expoweb HTML pages not troggle pages   
+    path('expo/<path:path>',              expopage,     name="expopage"),  
     
 #   Entrances
     re_path(r'^cave/entrance/([^/]+)/?$',    caveEntrance), # lists all entrances !!!BAD, local links fail