PeteHall
Moderator
Looks like this guy set off from a cave...
http://www.bbc.co.uk/news/av/world-latin-america-42744530/british-extreme-kayaker-sets-128ft-waterfall-record
http://www.bbc.co.uk/news/av/world-latin-america-42744530/british-extreme-kayaker-sets-128ft-waterfall-record