At almost 20 meters long, the whale shark is the largest fish in the world and, to the fishermen in the Southern Asian seas, one of the most prized in the ocean - but not because they want to catch it. Subscribe: bit.ly/BBCEarthSub #BBCEarth #SevenWorldsOnePlanet Watch more: Planet Earth bit.ly/PlanetEarthPlaylist Blue Planet bit.ly/BluePlanetPlaylist Planet Earth II bit.ly/PlanetEarthIIPlaylist Planet Dinosaur bit.ly/PlanetDinosaurPlaylist Seven Worlds One Planet (2019) Millions of years ago incredible forces ripped apart the Earth's crust creating seven extraordinary continents. One Planet: Seven Worlds, presented by Sir David Attenborough, will reveal how each distinct continent has shaped the unique animal life found there. Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this. This is a commercial page from BBC Studios. Service information and feedback: bbcworldwide.com/vod-feedback--contact-details.aspx

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