diff --git a/1626/i/2018-DM-04-bunderstruck.jpg b/1626/2018-DM-04/i/2018-DM-04-bunderstruck.jpg
similarity index 100%
rename from 1626/i/2018-DM-04-bunderstruck.jpg
rename to 1626/2018-DM-04/i/2018-DM-04-bunderstruck.jpg
diff --git a/1626/i/bunderstrucktopo.jpg b/1626/2018-DM-04/i/bunderstrucktopo.jpg
similarity index 100%
rename from 1626/i/bunderstrucktopo.jpg
rename to 1626/2018-DM-04/i/bunderstrucktopo.jpg
diff --git a/1626/l/2018-DM-04-bunderstruck.html b/1626/2018-DM-04/l/2018-DM-04-bunderstruck.html
similarity index 83%
rename from 1626/l/2018-DM-04-bunderstruck.html
rename to 1626/2018-DM-04/l/2018-DM-04-bunderstruck.html
index da61a3230..b0e22ce64 100644
--- a/1626/l/2018-DM-04-bunderstruck.html
+++ b/1626/2018-DM-04/l/2018-DM-04-bunderstruck.html
@@ -10,7 +10,7 @@ Bunderstruck Survey
 
 <body>
 <H1>Bunderstruck Survey</H1>
-<div class="centre"><img alt="" src="/1626/i/2018-DM-04-bunderstruck.jpg" />
+<div class="centre"><img alt="" src="/1626/2018-DM-04/i/2018-DM-04-bunderstruck.jpg" />
 </div>
 
 <p>1226-2018-DM-04 Bunderstruck cave survey 2023</p>
diff --git a/1626/l/bunderstrucktopo.html b/1626/2018-DM-04/l/bunderstrucktopo.html
similarity index 84%
rename from 1626/l/bunderstrucktopo.html
rename to 1626/2018-DM-04/l/bunderstrucktopo.html
index 77642f49c..7e1c673e4 100644
--- a/1626/l/bunderstrucktopo.html
+++ b/1626/2018-DM-04/l/bunderstrucktopo.html
@@ -10,7 +10,7 @@ Bunderstruck rigging topo
 
 <body>
 <H1>Bunderstruck rigging topo</H1>
-<div class="centre"><img alt="" src="/1626/i/bunderstrucktopo.jpg" />
+<div class="centre"><img alt="" src="/1626/2018-DM-04/i/bunderstrucktopo.jpg" />
 </div>
 
 <p>1626-2018-DM-04 Bunderstruck rigging topo 2023</p>
diff --git a/1626/t/2018-DM-04-bunderstruck.jpg b/1626/2018-DM-04/t/2018-DM-04-bunderstruck.jpg
similarity index 100%
rename from 1626/t/2018-DM-04-bunderstruck.jpg
rename to 1626/2018-DM-04/t/2018-DM-04-bunderstruck.jpg
diff --git a/1626/t/bunderstrucktopo.jpg b/1626/2018-DM-04/t/bunderstrucktopo.jpg
similarity index 100%
rename from 1626/t/bunderstrucktopo.jpg
rename to 1626/2018-DM-04/t/bunderstrucktopo.jpg
