A lot of people are already familiar with scuba diving. It is not
quite an extreme sport but rather favorite pastime for people who love
to explore underwater wonders.It is an extreme sport which requires
excellent breath control capabilities. In free diving you have to
attempt to go to great depths holding your breath.
For more Information, Please Visit :
http://freediving-course.blogspot.com/2011/03/freediving-adds-another-dimension-to.html