A few weeks ago I blogged about the new sport featured in my novel-in-progress:
http://pwithers.blogspot.com/2014/09/the-stunning-sport-of-canyoneering.html

As research for what my characters get up to, I’m currently “immersed” in researching canyoning. So here’s another video on this extreme (and extremely interesting) activity, which mixes caving, rappelling (climbing down waterfalls and canyon walls) and swimming whitewater currents. Check it out!
https://vimeo.com/31640024