diff --git a/cave_data/1623-2023-hbrw-01.html b/cave_data/1623-2023-hbrw-01.html
index 7a70711e3..946d8b9cd 100644
--- a/cave_data/1623-2023-hbrw-01.html
+++ b/cave_data/1623-2023-hbrw-01.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<!-- This file is generated by troggle on Nov. 2, 2023, 8:15 p.m. UTC using the form documented at /handbook/survey/caveentry.html -->
+<!-- This file is generated by troggle on Nov. 7, 2023, 9:15 a.m. UTC using the form documented at /handbook/survey/caveentry.html -->
 <!-- Only put one cave in this file -->
 <!-- If you edit this 1623-nnn.html file by hand, and manually upload it to the server using git,
 make sure you update the database by doing a full data import. If you edit it using the online form
@@ -10,7 +10,7 @@ though, you do not need to do a data import as it happens automatically -->
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 </head>
 <body>
-<b>This file is generated by troggle</b> on Nov. 2, 2023, 8:15 p.m. UTC using the form documented at
+<b>This file is generated by troggle</b> on Nov. 7, 2023, 9:15 a.m. UTC using the form documented at
 the form documented at 
 <a href="/handbook/survey/caveentry.html">handbook/survey/caveentry.html</a>
 <br>
@@ -46,7 +46,13 @@ code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast
 
 <explorers>Radost Waszkiewicz, Honorata Bogusz</explorers><!-- 'CUCC Expo' and year(s) of exploration. To distinguish from caves explored by foreign groups. Individual names can be given too if it was a small cave. -->
 <survex_file>caves-1623/2023-hbrw-01/2023-hbrw-01.svx</survex_file><!-- Name of top-level survey file for this cave. Relative to the 'loser' survex repository. So for most caves that's "caves-162x/cavenum/cavnum.svx". (e.g. caves-1623/204/204.svx -->
-<underground_description>Entrance is at the north side of a larger depression. Inside you immediately hit a junction, a narrow and very pointy vadose passage continues to the left, an awkward climb down to the right leads to a small room which has a small stream on the floor in wet conditions (the cave was explored whilst it was raining). Water originates in a tight crack in the roof of the room, goes across the room and disappears in the floor on the other side.</underground_description><!-- Underground description. (description of approach and entrance goes in entrance file). For a small cave this will be the entire description. For larger caves it will be the front page of the description, or a short intro, containing links to other pages with the cave description in, or even nothing but a link. -->
+<underground_description><a href='/1623/2023-hbrw-01/l/2023-hbrw-01-sketch.html'><img src='/1623/2023-hbrw-01/t/2023-hbrw-01-sketch.jpg' /></a>
+
+<p></p>
+<p>Click thumbnail above to show plan</p>
+<p></p>
+
+Entrance is at the north side of a larger depression. Inside you immediately hit a junction, a narrow and very pointy vadose passage continues to the left, an awkward climb down to the right leads to a small room which has a small stream on the floor in wet conditions (the cave was explored whilst it was raining). Water originates in a tight crack in the roof of the room, goes across the room and disappears in the floor on the other side.</underground_description><!-- Underground description. (description of approach and entrance goes in entrance file). For a small cave this will be the entire description. For larger caves it will be the front page of the description, or a short intro, containing links to other pages with the cave description in, or even nothing but a link. -->
 <equipment>10m rope</equipment><!-- For a small cave, summary of gear needed to descend. For longer caves it could be blank, a table, or just refer to the description/topos. Leave blank if this info is in the description. -->
 <references></references><!-- References to documentation. Could be Journal articles or Logbook entries. Can be links if the docs are online. -->
 <survey></survey><!-- Drawn-up surveys. Scans of paper surveys or images/PDFs of electronic surveys. Should include HTML to display current plan and elevation, with links to larger versions (See section on URLs and files). Could list links to multiple years of survey, or even a separate survey page if it's complicated enough. -->
