http://swissbaync5d7ykaz7dh7v4qjrb4gmen5aj3bogxrcgbb43ij34bjuyd.onion/pdf/Books/Survival/Medicine/oddsnends.htm
In Australia you can even sign up for an underwater encounter with the great
white shark; they put you in a "shark proof" cage and drop the cage in the
water. ama DIVERS of Japan and Korea Professional breath-hold divers of Korea and Japan, known scientifically as
"ama" divers, have been practicing their art for over 2000 years. They dive
daily, usually to shallow depths, but have been known to go very deep.