diff --git a/1623/164/i/IMG_20240725_140931.jpg b/1623/164/i/IMG_20240725_140931.jpg
new file mode 100644
index 000000000..c9b23113c
Binary files /dev/null and b/1623/164/i/IMG_20240725_140931.jpg differ
diff --git a/1623/164/i/IMG_20240725_141051.jpg b/1623/164/i/IMG_20240725_141051.jpg
deleted file mode 100644
index 6e01c5b38..000000000
Binary files a/1623/164/i/IMG_20240725_141051.jpg and /dev/null differ
diff --git a/1623/164/l/IMG_20240725_141051.html b/1623/164/l/IMG_20240725_140931.html
similarity index 54%
rename from 1623/164/l/IMG_20240725_141051.html
rename to 1623/164/l/IMG_20240725_140931.html
index e48f05c18..4039c12ad 100644
--- a/1623/164/l/IMG_20240725_141051.html
+++ b/1623/164/l/IMG_20240725_140931.html
@@ -3,19 +3,19 @@
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf8" />
 <title>
-Big entrance
+Surface area
 </title>
 <link rel="stylesheet" type="text/css" href="/css/main2.css" />
 </head>
 
 <body>
-<H1>Big entrance</H1>
-<div class="centre"><img alt="" src="/1623/164/i/IMG_20240725_141051.jpg" />
+<H1>Surface area</H1>
+<div class="centre"><img alt="" src="/1623/164/i/IMG_20240725_140931.jpg" />
 </div>
 
-<p>It's a big entrance<br /><a href='?to_be_rotated'><b>&olarr;</b>&nbsp;</a>rotate this image<br /><br /><a href="https://www.openstreetmap.org/?mlat=47.680272349999996&mlon=13.805931560000001">47.680272 N, 013.805932 E</a><br />1693m above sea-level</br />2024:07:25 12:10:12 +00:00 UTC<br />
+<p>Context, very close to entrance<br /><a href='?to_be_rotated'><b>&olarr;</b>&nbsp;</a>rotate this image<br /><br /><a href="https://www.openstreetmap.org/?mlat=47.68026887&mlon=13.80615264">47.680269 N, 013.806153 E</a><br />1692m above sea-level</br />2024:07:25 12:09:21 +00:00 UTC<br />
 
-2024:07:25 14:10:51 +02:00</p>
+2024:07:25 14:09:32 +02:00</p>
 
 
 <p class="caption">Photo &copy; Philip Sargent, 2024</p>
diff --git a/1623/164/t/IMG_20240725_140931.jpg b/1623/164/t/IMG_20240725_140931.jpg
new file mode 100644
index 000000000..f2b1b5995
Binary files /dev/null and b/1623/164/t/IMG_20240725_140931.jpg differ
diff --git a/1623/164/t/IMG_20240725_141051.jpg b/1623/164/t/IMG_20240725_141051.jpg
deleted file mode 100644
index 40e44ac60..000000000
Binary files a/1623/164/t/IMG_20240725_141051.jpg and /dev/null differ
diff --git a/entrance_data/1623-164.html b/entrance_data/1623-164.html
index 5e8fcebac..47f6da6a2 100644
--- a/entrance_data/1623-164.html
+++ b/entrance_data/1623-164.html
@@ -28,7 +28,8 @@ though, you do not need to do a data import as it happens automatically -->
 <approach></approach>
 <underground_description></underground_description>
 <photo></p><div class="centre"><a href="/1623/others/l/189164.htm"><img src="/1623/others/t/189164.jpg" width="121" height="176" alt="entrance picture - 87k jpeg" /></a><p>164 entrance (left of centre) seen over 189 entrance.</p>
-<p><a href='/1623/164/l/164_austrian_tag.html'><img src='/1623/164/t/164_austrian_tag.jpg' /></a>&nbsp;<a href='/1623/164/l/IMG_20240725_141040.html'><img src='/1623/164/t/IMG_20240725_141040.jpg' /></a>&nbsp;<a href='/1623/164/l/IMG_20240725_141051.html'><img src='/1623/164/t/IMG_20240725_141051.jpg' /></a>&nbsp;
+<p><a href='/1623/164/l/164_austrian_tag.html'><img src='/1623/164/t/164_austrian_tag.jpg' /></a>&nbsp;<a href='/1623/164/l/IMG_20240725_141040.html'><img src='/1623/164/t/IMG_20240725_141040.jpg' /></a>&nbsp;<a href='/1623/164/l/IMG_20240725_140931.html'><img src='/1623/164/t/IMG_20240725_140931.jpg' /></a>&nbsp;
+
 
 
   <p>Austrian tag, in 2024</p>
