https://www.bbc.co.uk/news/world-latin-america-61139129

https://www.bbc.co.uk/news/av/world-latin-america-53294830/underwater-cave-in-mexico-reveals-ancient-mayan-secrets

http://sierraclub.typepad.com/explore/2013/09/action-packed-green-jobs-adventure-careers.html?utm_source=insider&utm_medium=email&utm_campaign=newsletter Third job down (Spelunk for Endangered Species).......doesn't say how to apply, but presumably the Sierra Club would have the details if...

Anyone got / read a copy of this? http://www.amazon.co.uk/Blind-Descent-Quest-Discover-Deepest/dp/1400067677/ref=sr_1_1?ie=UTF8&s=books&qid=1279990506&sr=1-1 If so, is it any good? Cheers.