World champion freediver Tanya Streeter presents a unique and personal insight into her top wildlife dives. Her ability has taken her to the four corners of the world, to encounter some of the ocean's most iconic animals. From the chilly waters of the Galapagos to the balmy Caribbean Sea and the turquoise of the Indian Ocean, she has used freediving to meet whales, dolphins and sharks on their own terms, just by holding her breath.