A manual that combines education and theoretical research with practical activity, a result of the experience of Umberto Pelizzari, one of the major protagonist

Our species is more profoundly connected to the sea than we ever realized, as an intrepid cadre of scientists, athletes, and explorers is now discovering. Deep

Freediving is one of the fastest growing water sports Not only is it easy to learn to freedive, you can dive all over the world. No matter where you go, you can