Extreme Swimming: The Ama Divers Pearl of Japan

Read more: Have you heard of Ama divers Discover the deep history of Japans reallife mermaids, the Ama divers They are fearless female free divers who have braved dizzying ocean depths (as deep as 20m ) without air tanks or scuba gear for centuries, exploring Japans seabeds for shellfish, octopi and pearls.