content: The Amazing Randi almost drowns on TV: https://m.youtube.com/watch?v=AJSr_s15kcw If something goes wrong,or the tank is made not to let someone escape the artist can easily die. Just because he was a professional doesnt mean the tanks werent made to lock shut with no gimmick to get out. Professionals die all the time doing dangerous stunts.The stunts are still dangerous.