Update test

src/photo-catalog.json

@@ -143,6 +143,10 @@
     "file": "colour-41.jpg",
     "alt": "Aerial view of a hazy city skyline at sunset, with golden light rays piercing through dark clouds."
   },
+  {
+    "file": "colour-43.jpg",
+    "alt": "A giant floating globe sculpture of Earth rests on water among glass office towers, with a light railway train crossing a bridge under a grey sky."
+  },
   {
     "file": "_DSC2821-iceland.jpg",
     "alt": "A steep slope of rust-coloured grass below a snow-dusted rocky peak, with a dark gravel riverbed in the foreground."