World's deepest cave

Reading earlier about the Krubera-Voronya Cave.
It takes weeks to get to the bottom of it apparently...

Going underground...

I'm preparing to develop the topic of caving, with a look at the TITAN cave, and other subterranean locations.

Download the guide to the cave HERE (PDF download)

Be aware of the main elements of a cave system, and how they develop over time.

How does the cave form ?
What is calcite ?
What are the world's deepest, largest or longest cave systems ?

Check out the crystal cave visited by Iain Stewart in this BBC clip.

I shared stories of how my grandfather was a coal miner and sometimes worked almost naked because of the heat underground...

We used John Widdowson's 'This is Geography' book to supplement this with an exploration of the Yorkshire Dales, using Val Vannet's Flickr SAGT set of photos.

Also remember the Craven Pothole Club's bosun's chair descent on August bank holiday....