NATIONAL GEOGRAPHIC REVEALS TRAILER FOR LION — AN EPIC FOUR-PART EVENT SERIES THAT FOLLOWS A CUB'S EXTRAORDINARY JOURNEY TO BECOME A KING LION is Executive Produced by “The Lion King” Director Jon Favreau and BBC Studios Natural History Unit’s Mike Gunton With the Score Composed by Hans Zimmer’s Bleeding Fingers Music LION Airs Aug. 19 on National Geographic and Streams Aug. 20 on Disney+ and Hulu…