http://www.nhm.ac.uk/nature-online/earth/antarctica/blog-archive/?p=404 Conservation of the explorers huts in Antarctica; winter at Scott Base, treating artefacts from Shackleton's abandoned hut Sun, 19 May 2013 14:53:37 +0000 http://wordpress.org/?v=2.5.1 http://www.nhm.ac.uk/nature-online/earth/antarctica/blog-archive/?p=404#comment-28855 Steve Weileman Thu, 10 Jun 2010 17:47:42 +0000 http://www.nhm.ac.uk/nature-online/earth/antarctica/blog/?p=404#comment-28855 I'm certainly no expert in these matters, but when I first saw the photo it struck me as some sort of iris for a camera. I’m certainly no expert in these matters, but when I first saw the photo it struck me as some sort of iris for a camera.

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