Photographing our Seas: Sharks and Sardines

How do you make people care about animals often associated with sheer terror? Or those thought of mostly as a pizza topping? Marine biologist turned National Geographic photographer Thomas Peschak puts himself in precarious situations off South Africa's coast to help protect some of the sea's most misunderstood creatures.

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The National Geographic Live series brings thought-provoking presentations by today’s leading explorers, scientists, photographers, and performing artists right to you. Each presentation is filmed in front of a live audience at National Geographic headquarters in Washington, D.C. New clips air every Monday.