An quite dented metal water bottle with no lid. Found on the far sump extensions side of the titan boulder choke

A nice article about the meghalaya expedition has come from the BBC. It's doesn't look too badly sensationalised having never been their. http://www.bbc.co.uk/news/world-asia-india-43708758

We (Me and family) are going to be to Iceland early next year (January to march) for a few days and would like to explore a lava tube. We will be staying in the Selfoss area. Ideally we would like to avoid hiring a guide and explore it ourselves (we all cave/climb). Is there website/guide book...