Capturing the courtship of large marbled stingrays is like filming a ballet.
From Shark Mountain, airing on the NATURE series, July 29th at 8 p.m. (ET) on PBS (check local listings). The film takes viewers to Cocos Island in the Pacific, where sharks of all kinds converge in staggering numbers.
For more information, visit http://www.pbs.org/wnet/nature/sharkmountain/index.html
