Looks quite a fascinating programme.
Must admit I'd never heard of the Shants.
Programme details (2 parts) - http://www.bbc.co.uk/programmes/b072rnjc
Interesting even more if you want to visit - House rat ridden, no water, no electricity, no Toilet, no nothing except birds it seems !!
See here.. http://www.shiantisles.net/visit2.htm
Richard