The Natural World - Season 23 (2004) (kausi)
Yhdistynyt kuningaskunta,
2004, 50 min
Juonikuvaukset(1)
The Hammerhead Shark, one of the most bizarre predators of the deep, is at last revealing the secrets of its astonishing head. Marine biologists in Hawaii enter its eerie world to find out how a freak mutation has become a deadly weapon. (BBC)