A short video to explain what it is we are trying to do with this expedition to Mexico.

A sequence of clips from the 2013 San Agustin Caving Expedition where the team of cavers and divers had to cave dive at the bottom of this deep cave in an attempt to explore sump 9, a place not seen for 19 years.

 

 

Other: 

http://www.proyectosierramazateca.org/#2774

http://www.dailymail.co.uk/news/article-2344927/British-explorer-leads-team-lowest-depths-recorded-cavers-venturing-mile-underground-pitch-black-tunnels-including-600m-underwater-swim.html

https://www.flickr.com/photos/jurvetson/9527779732/

http://en.wikipedia.org/wiki/Huautla_de_Jim%C3%A9nez

http://en.wikipedia.org/wiki/William_Stone_(caver)

http://en.wikipedia.org/wiki/Bill_Steele_(cave_explorer)

http://boyslife.org/features/135946/how-to-get-started-caving/