Precisely 20 years ago, the 2004 Indian Ocean earthquake and tsunami struck Indonesia, Sri Lanka, India, and Thailand, claiming the lives of 225,000 people. Young Martunis Sarbini managed to defy the odds and survive alone for 21 days. He was eventually found by cameraman Phil Hooper and his team—making Martunis the last survivor to be rescued. #TsunamiRaceAgainstTime is now streaming on Disney and Hulu. | National Geographic History

648K views · 1.5K reactions | In creating “Star Wars,” George Lucas hired Ben Burtt to develop the sound effects that transformed cinema. Burtt crafted iconic sounds, like the lightsaber’s hum from a film projector and TV buzz, Chewbacca’s voice from various animals, and R2-D2’s beeps using his own voice. The TIE fighter roar combined an elephant call with a car on wet pavement, setting a new industry standard. | History In Pictures | Facebook