[Music] it lurks at the margins of our world where polar currents stir the deep ocean and sea creatures feed on its bounty [Music] how did the great white shark emerge millions of years ago to become ...

"Trillion" is the second installment in Kossakovsky's "Empathy Trilogy," following the critically acclaimed "Gunda." Both films emphasize the importance of empathy towards all living beings.

'Ocean with David Attenborough' premieres on National Geographic on June 7 Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her work has previously appeared on MTV ...