Crittercam POV: "Swim" with Gray Reef Sharks

Take a "swim" with gray reef sharks in the Pacific Ocean, as seen with National Geographic's Crittercam. POV video is from the "Point of View" of the animal on which it is attached as part of a Crittercam research project. They're presented by popular demand from those who want to see more POV footage than appears in other Crittercam videos.