Hi, Can anyone help? I spotted this about 18 months ago, but when asking what it is, no one seemed to have a clue what i was on about or where i ment, as i was passing today, i stopped and took a picture. can anyone tell me what this is called, or what it is please? It is located to the left...

Looking for any reason to escape "The royal wedding", when asked if i wanted to go caving, i jumped at the oppertunity! Still been very much a n00b at it I was taken to a couple of novice friendly holes. First off was Douk, I was told this would be a simple dry walk with a very short crawl over...