The variety of sports that are based on the breath in water
Many people around the world annually Shvndrv of this sport is increasing.
This exercise is fun and fun
In this book we have tried to get in addition to the athletes, divers with multiple fields of sport, the arts and the practice of medicine and become familiar process
And a comprehensive and accurate answers to the questions will be interested.
The first book published in the country in this field and has been welcomed by fans.
View excerpts from the book in a PDF file