On the windswept shores of this volcanic island, three women ready themselves for another dive into the cold sea. Lee Bok-soo ...

A group of women on South Korea's largest island, Jeju, follow a unique tradition to put food on the table: They freedive to depths of nearly 33 feet (10 meters) without using any special equipment.

A couple of years ago, Melissa Ilardo found herself aboard a motorboat traversing the ocean around Jeju Island, which sits some 50 or 60 miles off the coast of South Korea. Before the vessel had even ...