diff --git a/cave_data/1623-204.html b/cave_data/1623-204.html
index 91c05a7ed..8188954a9 100644
--- a/cave_data/1623-204.html
+++ b/cave_data/1623-204.html
@@ -78,7 +78,7 @@ code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast
 </entrance>
 
 <explorers></p><ul><li>CUCC 1999 to length 1365m, depth 226m</li><li>CUCC 2000 to 2.5km, depth 368m</li><li>CUCC 2001 to 4.7km, depth 368m</li><li>CUCC 2002 to 5.3km, depth 454m</li><li>CUCC 2003 to 7.2km, depth 510m</li><li>CUCC 2004 to length 9.1km,  depth 542m</li><li>CUCC 2005 to length 11.7km, depth 542m</li></ul><p></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. -->
-<underground_description></p><ul><li><a href="../../1623/204/entrance.html">Entrance and The Near End passages</a></li><li><a href="../../1623/204/midlevel.html">Mid-level passages (including Wolpertinger Way)</a></li><li><a href="../../1623/204/ariston.html">Deep routes via the Ariston Series</a></li><li><li><a href="../../1623/204/nopain.html">No Pain No Gain, Pleasuredome, and Millennium Dome / White Elephant area</a></li><li><a href="../../1623/204/treeumphant.html">Trunk way through Treeumphant Passage to Cave Tree Chamber and beyond</a></li><li><a href="../../1623/204/swings.html">Swings and Roundabouts area</a></li><li><a href="../../1623/204/rhino.html">Rhino Rift</a></li><li><a href="uworld.html">The Underworld</a></li><li><a href="../../1623/204/convenience.html">Convenience Series</a></li><li><a href="../../1623/204/subsoil.html">Subsoil</a></li><li><a href="subway.html">Subway Series</a></li><li style="margin-top: 1em"><a href="../../1623/204/atoz.html">Glossary of passage names</a></li><li><a href="../../1623/204/gallery.html">Photo gallery</a></li></ul><p></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></p><ul><li><a href="../../1623/204/entrance.html">Entrance and The Near End passages</a></li><li><a href="../../1623/204/midlevel.html">Mid-level passages (including Wolpertinger Way)</a></li><li><a href="../../1623/204/ariston.html">Deep routes via the Ariston Series</a></li><li><a href="../../1623/204/nopain.html">No Pain No Gain, Pleasuredome, and Millennium Dome / White Elephant area</a></li><li><a href="../../1623/204/treeumphant.html">Trunk way through Treeumphant Passage to Cave Tree Chamber and beyond</a></li><li><a href="../../1623/204/swings.html">Swings and Roundabouts area</a></li><li><a href="../../1623/204/rhino.html">Rhino Rift</a></li><li><a href="uworld.html">The Underworld</a></li><li><a href="../../1623/204/convenience.html">Convenience Series</a></li><li><a href="../../1623/204/subsoil.html">Subsoil</a></li><li><a href="subway.html">Subway Series</a></li><li style="margin-top: 1em"><a href="../../1623/204/atoz.html">Glossary of passage names</a></li><li><a href="../../1623/204/gallery.html">Photo gallery</a></li></ul><p></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></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></p> <ul> <li><a href="/expofiles/surveys/204/plan2006.png">Plan, post-2006 Expo</a> [3108k; 6696x12126 pixels, colour] or <a href="../../1623/204/surveys/plan2006BW.png">greyscale version</a> [570k; 1410x2554 pixels]</li> <li><a href="/expofiles/surveys/204/plan2005.png">Plan, post-2005 Expo</a> [2696k; 4234x7000 pixels, colour] or <a href="../../1623/204/surveys/plan2005.svg.gz">1601k gzipped SVG</a> or <a href="/expofiles/surveys/204/plan2005.pdf">8898k PDF</a></li> <li><a href="/expofiles/surveys/204/plan2004.png">Plan, post-2004 Expo</a> [1497k; 5722x10764 pixels, colour]</li> <li><a href="../../1623/204/surveys/plan2003.png">Plan, post-2003 Expo</a> [760k; 3654x5699 pixels, colour]</li> <li><a href="/expofiles/surveys/204/plan2002.png">Plan, post-2002 Expo</a> [702k; approx 2400x3200 pixels, greyscale] or <a href="../../1623/204/surveys/plan2002.ps.gz">1.8M gzipped postscript</a></li> <li><a href="../../1623/204/surveys/plan2001.png">Plan, post-2001 Expo</a> [511k; approx 2500x3500 pixels, greyscale]</li> <li><a href="../../1623/204/surveys/plan2000.png">Plan, post-2000 Expo</a> [79k; approx 2300x3300 pixels, monochrome]</li> <li><a href="../../1623/204/surveys/elev2000.png">Elevation, post-2000 Expo</a> [22k; approx 1900x2200 pixels, monochrome]</li> <li><a href="../../1623/204/surveys/plan1999.gif">Plan, post-1999 Expo</a> [26k; approx 582x783 pixels, greyscale]</li> <li><a href="../../1623/204/surveys/elev1999.gif">Elevation, post-1999 Expo</a> [16k; approx 432x586 pixels, greyscale]</li> </ul><p></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. -->